<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with the Workiva Platform-->
<!--Copyright 2025 Workiva-->
<!--r:cc7cc0b4-6f38-421c-b2d6-ef943c495a00,g:acc20f96-2aca-403f-830b-1f578b764902-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/>
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/>
  <link:roleRef roleURI="http://www.sabre.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="simple" xlink:href="sabr-20250930.xsd#CONSOLIDATEDBALANCESHEETS"/>
  <link:definitionLink xlink:role="http://www.sabre.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_8a039e45-5e41-45e4-b7c1-5be1a70e3e81" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_c10fbc32-7e06-4328-a207-9de83f186edc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_8a039e45-5e41-45e4-b7c1-5be1a70e3e81" xlink:to="loc_us-gaap_StatementTable_c10fbc32-7e06-4328-a207-9de83f186edc" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_45825026-b838-4381-b8fc-3e05ba6c1f89" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_c10fbc32-7e06-4328-a207-9de83f186edc" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_45825026-b838-4381-b8fc-3e05ba6c1f89" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_45825026-b838-4381-b8fc-3e05ba6c1f89_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_45825026-b838-4381-b8fc-3e05ba6c1f89" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_45825026-b838-4381-b8fc-3e05ba6c1f89_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_43b7db77-09f5-4685-a028-51ba187af08f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_45825026-b838-4381-b8fc-3e05ba6c1f89" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_43b7db77-09f5-4685-a028-51ba187af08f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelationshipsMember_c3f203c3-dafc-4e10-a00d-12f5234020ab" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CustomerRelationshipsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_43b7db77-09f5-4685-a028-51ba187af08f" xlink:to="loc_us-gaap_CustomerRelationshipsMember_c3f203c3-dafc-4e10-a00d-12f5234020ab" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherIntangibleAssetsMember_06a08933-a4fb-459a-a5ac-6155e06de515" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherIntangibleAssetsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_43b7db77-09f5-4685-a028-51ba187af08f" xlink:to="loc_us-gaap_OtherIntangibleAssetsMember_06a08933-a4fb-459a-a5ac-6155e06de515" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsAbstract_245ec6cb-905e-4e0b-848c-307ed129ef42" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_8a039e45-5e41-45e4-b7c1-5be1a70e3e81" xlink:to="loc_us-gaap_AssetsAbstract_245ec6cb-905e-4e0b-848c-307ed129ef42" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrentAbstract_8c288345-abd9-42ae-a94c-723718af70c6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsCurrentAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_245ec6cb-905e-4e0b-848c-307ed129ef42" xlink:to="loc_us-gaap_AssetsCurrentAbstract_8c288345-abd9-42ae-a94c-723718af70c6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_720a875d-b7ac-494e-9d96-91020dda5a71" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_8c288345-abd9-42ae-a94c-723718af70c6" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_720a875d-b7ac-494e-9d96-91020dda5a71" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashCurrent_a7cb4b48-b3bd-477e-8205-444cfc4ba268" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RestrictedCashCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_8c288345-abd9-42ae-a94c-723718af70c6" xlink:to="loc_us-gaap_RestrictedCashCurrent_a7cb4b48-b3bd-477e-8205-444cfc4ba268" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_ed13efcc-e43c-4ea7-915c-1d5e5081c62a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_8c288345-abd9-42ae-a94c-723718af70c6" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_ed13efcc-e43c-4ea7-915c-1d5e5081c62a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_4de71b38-8aaa-4a16-974b-92259a69f399" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PrepaidExpenseAndOtherAssetsCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_8c288345-abd9-42ae-a94c-723718af70c6" xlink:to="loc_us-gaap_PrepaidExpenseAndOtherAssetsCurrent_4de71b38-8aaa-4a16-974b-92259a69f399" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_e65b56b7-7877-470a-90bf-76dd4aa39e5c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_8c288345-abd9-42ae-a94c-723718af70c6" xlink:to="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_e65b56b7-7877-470a-90bf-76dd4aa39e5c" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_fff3a3e5-7e58-4848-b94b-7459e9fa2205" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsCurrentAbstract_8c288345-abd9-42ae-a94c-723718af70c6" xlink:to="loc_us-gaap_AssetsCurrent_fff3a3e5-7e58-4848-b94b-7459e9fa2205" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_e8d6ef72-db59-459e-a02a-bbe2f13fe849" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_245ec6cb-905e-4e0b-848c-307ed129ef42" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization_e8d6ef72-db59-459e-a02a-bbe2f13fe849" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_2e622f7d-eebb-486e-9702-b6795109418d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_245ec6cb-905e-4e0b-848c-307ed129ef42" xlink:to="loc_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_2e622f7d-eebb-486e-9702-b6795109418d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_448f07b3-4ac6-4f5b-a1bb-73a97aaf599c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Goodwill"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_245ec6cb-905e-4e0b-848c-307ed129ef42" xlink:to="loc_us-gaap_Goodwill_448f07b3-4ac6-4f5b-a1bb-73a97aaf599c" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_b311b5a9-7d38-4a75-b364-7390ef7372fa" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_245ec6cb-905e-4e0b-848c-307ed129ef42" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_b311b5a9-7d38-4a75-b364-7390ef7372fa" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_c21b91a8-4052-48f9-9de1-86499d220dae" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxAssetsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_245ec6cb-905e-4e0b-848c-307ed129ef42" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_c21b91a8-4052-48f9-9de1-86499d220dae" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_a78d9822-df59-4682-87ea-985a99a2cae5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_245ec6cb-905e-4e0b-848c-307ed129ef42" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_a78d9822-df59-4682-87ea-985a99a2cae5" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent_1c25fbe7-864d-4d71-9878-689efc2a2502" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_245ec6cb-905e-4e0b-848c-307ed129ef42" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent_1c25fbe7-864d-4d71-9878-689efc2a2502" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_2c0e869c-e453-41bd-8fa3-eb3c2681d452" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_Assets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsAbstract_245ec6cb-905e-4e0b-848c-307ed129ef42" xlink:to="loc_us-gaap_Assets_2c0e869c-e453-41bd-8fa3-eb3c2681d452" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_e095b788-192e-4ec9-b079-04f9f8bc6fb3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_8a039e45-5e41-45e4-b7c1-5be1a70e3e81" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_e095b788-192e-4ec9-b079-04f9f8bc6fb3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract_2f1ef8e8-87e5-494a-90e8-e7ab6eafb6e8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesCurrentAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_e095b788-192e-4ec9-b079-04f9f8bc6fb3" xlink:to="loc_us-gaap_LiabilitiesCurrentAbstract_2f1ef8e8-87e5-494a-90e8-e7ab6eafb6e8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_7cb8d002-ba65-473b-8054-d1ab9ccaa85c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_2f1ef8e8-87e5-494a-90e8-e7ab6eafb6e8" xlink:to="loc_us-gaap_AccountsPayableCurrent_7cb8d002-ba65-473b-8054-d1ab9ccaa85c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedEmployeeBenefitsCurrent_6f4b68ce-bb8e-481a-979e-abeff7308144" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccruedEmployeeBenefitsCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_2f1ef8e8-87e5-494a-90e8-e7ab6eafb6e8" xlink:to="loc_us-gaap_AccruedEmployeeBenefitsCurrent_6f4b68ce-bb8e-481a-979e-abeff7308144" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_AccruedSubscriberIncentives_35916b90-7cdd-400e-93e4-147ff120580c" xlink:href="sabr-20250930.xsd#sabr_AccruedSubscriberIncentives"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_2f1ef8e8-87e5-494a-90e8-e7ab6eafb6e8" xlink:to="loc_sabr_AccruedSubscriberIncentives_35916b90-7cdd-400e-93e4-147ff120580c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_b0c73862-e8dd-4b3b-8b36-469ae4f607fc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_2f1ef8e8-87e5-494a-90e8-e7ab6eafb6e8" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_b0c73862-e8dd-4b3b-8b36-469ae4f607fc" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesCurrent_1a1c670b-9e64-488e-80d3-664e0a190c3b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAccruedLiabilitiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_2f1ef8e8-87e5-494a-90e8-e7ab6eafb6e8" xlink:to="loc_us-gaap_OtherAccruedLiabilitiesCurrent_1a1c670b-9e64-488e-80d3-664e0a190c3b" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtCurrent_786a13d3-8091-4215-9e58-0377e614661d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_2f1ef8e8-87e5-494a-90e8-e7ab6eafb6e8" xlink:to="loc_us-gaap_DebtCurrent_786a13d3-8091-4215-9e58-0377e614661d" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_0f16e2b2-4840-442e-b456-0646685377c7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_2f1ef8e8-87e5-494a-90e8-e7ab6eafb6e8" xlink:to="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_0f16e2b2-4840-442e-b456-0646685377c7" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_7855de75-5024-4fde-8a6b-189740820fb7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract_2f1ef8e8-87e5-494a-90e8-e7ab6eafb6e8" xlink:to="loc_us-gaap_LiabilitiesCurrent_7855de75-5024-4fde-8a6b-189740820fb7" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_cd589b7f-c233-4f45-a562-8605d2acad99" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_e095b788-192e-4ec9-b079-04f9f8bc6fb3" xlink:to="loc_us-gaap_DeferredIncomeTaxLiabilitiesNet_cd589b7f-c233-4f45-a562-8605d2acad99" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_8d3399e3-09cd-4da9-af65-25b0b9aa2e80" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_e095b788-192e-4ec9-b079-04f9f8bc6fb3" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_8d3399e3-09cd-4da9-af65-25b0b9aa2e80" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtNoncurrent_8e42f45d-28a8-4e25-bcd7-eb525a3d0a62" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_e095b788-192e-4ec9-b079-04f9f8bc6fb3" xlink:to="loc_us-gaap_LongTermDebtNoncurrent_8e42f45d-28a8-4e25-bcd7-eb525a3d0a62" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent_be032887-3fb2-40c2-91e0-3b26c6a97f7d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_e095b788-192e-4ec9-b079-04f9f8bc6fb3" xlink:to="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent_be032887-3fb2-40c2-91e0-3b26c6a97f7d" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_0a691ac3-0227-4ced-ade3-4fed80e11fd5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_e095b788-192e-4ec9-b079-04f9f8bc6fb3" xlink:to="loc_us-gaap_CommitmentsAndContingencies_0a691ac3-0227-4ced-ade3-4fed80e11fd5" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount_d8e1caad-8fef-4701-a4b3-03de16981dd8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_e095b788-192e-4ec9-b079-04f9f8bc6fb3" xlink:to="loc_us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount_d8e1caad-8fef-4701-a4b3-03de16981dd8" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_dbb59581-10af-45bb-9c11-73e01bc02c53" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_e095b788-192e-4ec9-b079-04f9f8bc6fb3" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_dbb59581-10af-45bb-9c11-73e01bc02c53" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue_cefb1ef8-e73c-428c-8499-869eeaad7504" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_dbb59581-10af-45bb-9c11-73e01bc02c53" xlink:to="loc_us-gaap_CommonStockValue_cefb1ef8-e73c-428c-8499-869eeaad7504" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapital_72023c79-aa27-4302-b78f-06d4595a5dfe" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AdditionalPaidInCapital"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_dbb59581-10af-45bb-9c11-73e01bc02c53" xlink:to="loc_us-gaap_AdditionalPaidInCapital_72023c79-aa27-4302-b78f-06d4595a5dfe" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonValue_491f5159-aa0e-4212-8b05-bee1816fa7c2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TreasuryStockCommonValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_dbb59581-10af-45bb-9c11-73e01bc02c53" xlink:to="loc_us-gaap_TreasuryStockCommonValue_491f5159-aa0e-4212-8b05-bee1816fa7c2" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_3d065cfd-b403-413d-92dc-96f51d8f10d2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_dbb59581-10af-45bb-9c11-73e01bc02c53" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_3d065cfd-b403-413d-92dc-96f51d8f10d2" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_76af30a7-e1c8-4948-97c3-3932e4f067cf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_dbb59581-10af-45bb-9c11-73e01bc02c53" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_76af30a7-e1c8-4948-97c3-3932e4f067cf" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterest_e11c57ef-2159-4986-ac0f-30af80ef2952" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MinorityInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_dbb59581-10af-45bb-9c11-73e01bc02c53" xlink:to="loc_us-gaap_MinorityInterest_e11c57ef-2159-4986-ac0f-30af80ef2952" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_a35e81ef-5f1e-4985-b77b-065e87065ac6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_dbb59581-10af-45bb-9c11-73e01bc02c53" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_a35e81ef-5f1e-4985-b77b-065e87065ac6" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_622e0927-03e2-48f0-8b91-d054f953bf28" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract_e095b788-192e-4ec9-b079-04f9f8bc6fb3" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_622e0927-03e2-48f0-8b91-d054f953bf28" xlink:type="arc" order="9"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.sabre.com/role/CONSOLIDATEDBALANCESHEETSParenthetical" xlink:type="simple" xlink:href="sabr-20250930.xsd#CONSOLIDATEDBALANCESHEETSParenthetical"/>
  <link:definitionLink xlink:role="http://www.sabre.com/role/CONSOLIDATEDBALANCESHEETSParenthetical" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_da5bcc94-5d73-47ff-9dd1-1960ebbd1092" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_aa6a13ae-6a1f-4747-8ea9-96c012d26002" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_da5bcc94-5d73-47ff-9dd1-1960ebbd1092" xlink:to="loc_us-gaap_StatementTable_aa6a13ae-6a1f-4747-8ea9-96c012d26002" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_02aff8f5-a9b1-4eef-94fb-9b3735f758d5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_aa6a13ae-6a1f-4747-8ea9-96c012d26002" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_02aff8f5-a9b1-4eef-94fb-9b3735f758d5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_02aff8f5-a9b1-4eef-94fb-9b3735f758d5_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_02aff8f5-a9b1-4eef-94fb-9b3735f758d5" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_02aff8f5-a9b1-4eef-94fb-9b3735f758d5_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_7fea79b8-4c8a-4bcc-81a8-b0bae7509a98" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_02aff8f5-a9b1-4eef-94fb-9b3735f758d5" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_7fea79b8-4c8a-4bcc-81a8-b0bae7509a98" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelationshipsMember_663b9720-d3a9-45ba-bee2-0fe57d299538" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CustomerRelationshipsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_7fea79b8-4c8a-4bcc-81a8-b0bae7509a98" xlink:to="loc_us-gaap_CustomerRelationshipsMember_663b9720-d3a9-45ba-bee2-0fe57d299538" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherIntangibleAssetsMember_b459acb9-ff3b-4a36-bd40-95116916fa6e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherIntangibleAssetsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_7fea79b8-4c8a-4bcc-81a8-b0bae7509a98" xlink:to="loc_us-gaap_OtherIntangibleAssetsMember_b459acb9-ff3b-4a36-bd40-95116916fa6e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_e6e63afe-d005-4cc8-81dc-36dad409bf59" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_da5bcc94-5d73-47ff-9dd1-1960ebbd1092" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent_e6e63afe-d005-4cc8-81dc-36dad409bf59" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization_fc39315b-48e3-4ba1-9934-6c154c9a3ef9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_da5bcc94-5d73-47ff-9dd1-1960ebbd1092" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization_fc39315b-48e3-4ba1-9934-6c154c9a3ef9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_9407331c-6ddf-484a-83e7-791bb22d2ace" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_da5bcc94-5d73-47ff-9dd1-1960ebbd1092" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_9407331c-6ddf-484a-83e7-791bb22d2ace" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_e5ff2e8f-8d6d-4c8b-8a47-a4e710ff73c5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockParOrStatedValuePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_da5bcc94-5d73-47ff-9dd1-1960ebbd1092" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare_e5ff2e8f-8d6d-4c8b-8a47-a4e710ff73c5" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesAuthorized_191a59c7-63e3-446f-be75-71aa4a7d44d6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockSharesAuthorized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_da5bcc94-5d73-47ff-9dd1-1960ebbd1092" xlink:to="loc_us-gaap_CommonStockSharesAuthorized_191a59c7-63e3-446f-be75-71aa4a7d44d6" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesIssued_7d339580-15eb-4cbc-810f-dbc7db4576c2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockSharesIssued"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_da5bcc94-5d73-47ff-9dd1-1960ebbd1092" xlink:to="loc_us-gaap_CommonStockSharesIssued_7d339580-15eb-4cbc-810f-dbc7db4576c2" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_e8be5b1f-b0df-4fc1-aa4d-9b3d3fe4d875" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_da5bcc94-5d73-47ff-9dd1-1960ebbd1092" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_e8be5b1f-b0df-4fc1-aa4d-9b3d3fe4d875" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonShares_4c929899-2e5c-4842-83ac-0972c019d06c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TreasuryStockCommonShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_da5bcc94-5d73-47ff-9dd1-1960ebbd1092" xlink:to="loc_us-gaap_TreasuryStockCommonShares_4c929899-2e5c-4842-83ac-0972c019d06c" xlink:type="arc" order="7"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.sabre.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSDEFICIT" xlink:type="simple" xlink:href="sabr-20250930.xsd#CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSDEFICIT"/>
  <link:definitionLink xlink:role="http://www.sabre.com/role/CONSOLIDATEDSTATEMENTSOFSTOCKHOLDERSDEFICIT" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_65c006ca-55f3-4403-a461-e7726150ed15" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_1520c11c-9932-4581-a625-c7e0053de687" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_65c006ca-55f3-4403-a461-e7726150ed15" xlink:to="loc_us-gaap_StatementTable_1520c11c-9932-4581-a625-c7e0053de687" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_bcffae0d-13c8-4fc2-91f4-69f5555845bc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_1520c11c-9932-4581-a625-c7e0053de687" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_bcffae0d-13c8-4fc2-91f4-69f5555845bc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_bcffae0d-13c8-4fc2-91f4-69f5555845bc_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_bcffae0d-13c8-4fc2-91f4-69f5555845bc" xlink:to="loc_us-gaap_EquityComponentDomain_bcffae0d-13c8-4fc2-91f4-69f5555845bc_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_9921d6c5-bcb7-4c42-874e-4845499f6af5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_bcffae0d-13c8-4fc2-91f4-69f5555845bc" xlink:to="loc_us-gaap_EquityComponentDomain_9921d6c5-bcb7-4c42-874e-4845499f6af5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_646b6b1b-5e2f-485c-9ce7-57c4db90371d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_9921d6c5-bcb7-4c42-874e-4845499f6af5" xlink:to="loc_us-gaap_CommonStockMember_646b6b1b-5e2f-485c-9ce7-57c4db90371d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember_ec8aab2e-8ec5-4fa5-a4a3-0ced728bd79e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_9921d6c5-bcb7-4c42-874e-4845499f6af5" xlink:to="loc_us-gaap_AdditionalPaidInCapitalMember_ec8aab2e-8ec5-4fa5-a4a3-0ced728bd79e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonMember_2c0b0732-c1fb-4bd8-858b-edb0807ba9f8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TreasuryStockCommonMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_9921d6c5-bcb7-4c42-874e-4845499f6af5" xlink:to="loc_us-gaap_TreasuryStockCommonMember_2c0b0732-c1fb-4bd8-858b-edb0807ba9f8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_72a0e7ae-3bdd-4f9b-b9dd-5d2b87b04646" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RetainedEarningsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_9921d6c5-bcb7-4c42-874e-4845499f6af5" xlink:to="loc_us-gaap_RetainedEarningsMember_72a0e7ae-3bdd-4f9b-b9dd-5d2b87b04646" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_ddd6531e-2264-4fbd-81b0-72e8aeb2f6d2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_9921d6c5-bcb7-4c42-874e-4845499f6af5" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_ddd6531e-2264-4fbd-81b0-72e8aeb2f6d2" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncontrollingInterestMember_cac43291-84ee-4bbf-8e6b-b4a2c1b84d7b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NoncontrollingInterestMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_9921d6c5-bcb7-4c42-874e-4845499f6af5" xlink:to="loc_us-gaap_NoncontrollingInterestMember_cac43291-84ee-4bbf-8e6b-b4a2c1b84d7b" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_ea507bd4-6f6d-42f2-a94d-20283bb2dc1c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_65c006ca-55f3-4403-a461-e7726150ed15" xlink:to="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_ea507bd4-6f6d-42f2-a94d-20283bb2dc1c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_a9ef368e-7545-43e4-ba75-0dc5b2d332dd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_ea507bd4-6f6d-42f2-a94d-20283bb2dc1c" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_a9ef368e-7545-43e4-ba75-0dc5b2d332dd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_43633900-c404-4b5f-9735-7ef240c8ca09" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_ea507bd4-6f6d-42f2-a94d-20283bb2dc1c" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_43633900-c404-4b5f-9735-7ef240c8ca09" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonShares_44000b3d-08e8-4f72-9427-22d3992f75ac" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TreasuryStockCommonShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_ea507bd4-6f6d-42f2-a94d-20283bb2dc1c" xlink:to="loc_us-gaap_TreasuryStockCommonShares_44000b3d-08e8-4f72-9427-22d3992f75ac" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_ComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToRedeemableAndNonredeemableNoncontrollingInterest_c5b3d8d5-6fa8-4708-9df1-a354f7d80c33" xlink:href="sabr-20250930.xsd#sabr_ComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToRedeemableAndNonredeemableNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_ea507bd4-6f6d-42f2-a94d-20283bb2dc1c" xlink:to="loc_sabr_ComprehensiveIncomeLossNetOfTaxIncludingPortionAttributableToRedeemableAndNonredeemableNoncontrollingInterest_c5b3d8d5-6fa8-4708-9df1-a354f7d80c33" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_0920df00-af8a-40f3-81c7-0971e13c79e1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_ea507bd4-6f6d-42f2-a94d-20283bb2dc1c" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_0920df00-af8a-40f3-81c7-0971e13c79e1" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_69d9828f-a5a4-4d2e-a690-25dcc4f2c21a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_ea507bd4-6f6d-42f2-a94d-20283bb2dc1c" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_69d9828f-a5a4-4d2e-a690-25dcc4f2c21a" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_85da2987-7ed9-4ad4-ad08-efe18a1c8abc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_ea507bd4-6f6d-42f2-a94d-20283bb2dc1c" xlink:to="loc_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_85da2987-7ed9-4ad4-ad08-efe18a1c8abc" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityOther_529e59c5-c9cf-414a-aa2c-679d37780f9f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquityOther"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_ea507bd4-6f6d-42f2-a94d-20283bb2dc1c" xlink:to="loc_us-gaap_StockholdersEquityOther_529e59c5-c9cf-414a-aa2c-679d37780f9f" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_87c7140e-3712-46e6-8c7a-ac091cf7f27a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_f79b47ef-d9a4-44b7-a35c-6f57eeed7de0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockCommonShares_1586fcde-fbc4-49a2-91b6-c79d4a677670" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TreasuryStockCommonShares"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.sabre.com/role/RevenuefromContractswithCustomersNarrativeDetails" xlink:type="simple" xlink:href="sabr-20250930.xsd#RevenuefromContractswithCustomersNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.sabre.com/role/RevenuefromContractswithCustomersNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_6ff2fa71-e6b5-44dd-84ec-ad4736542169" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable_6f42ac18-a479-437c-85f7-496903ca55fd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_6ff2fa71-e6b5-44dd-84ec-ad4736542169" xlink:to="loc_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable_6f42ac18-a479-437c-85f7-496903ca55fd" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_27ca5382-050d-4bfb-ba5a-cf68720b0cad" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTable_6f42ac18-a479-437c-85f7-496903ca55fd" xlink:to="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_27ca5382-050d-4bfb-ba5a-cf68720b0cad" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivableTypeDomain_27ca5382-050d-4bfb-ba5a-cf68720b0cad_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ReceivableTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_27ca5382-050d-4bfb-ba5a-cf68720b0cad" xlink:to="loc_us-gaap_ReceivableTypeDomain_27ca5382-050d-4bfb-ba5a-cf68720b0cad_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivableTypeDomain_2229419f-81e8-4d9f-9232-360476362379" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ReceivableTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_27ca5382-050d-4bfb-ba5a-cf68720b0cad" xlink:to="loc_us-gaap_ReceivableTypeDomain_2229419f-81e8-4d9f-9232-360476362379" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_AirBookingsMember_4be23ae1-fac7-4458-9687-69ed91974fac" xlink:href="sabr-20250930.xsd#sabr_AirBookingsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReceivableTypeDomain_2229419f-81e8-4d9f-9232-360476362379" xlink:to="loc_sabr_AirBookingsMember_4be23ae1-fac7-4458-9687-69ed91974fac" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_167a8a46-6095-48fd-877d-ad2c85cc70f6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ContractWithCustomerLiabilityRevenueRecognized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_6ff2fa71-e6b5-44dd-84ec-ad4736542169" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_167a8a46-6095-48fd-877d-ad2c85cc70f6" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_0a937397-bc6c-4873-942f-9697b462d0b6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EntityWideInformationRevenueFromExternalCustomerLineItems_6ff2fa71-e6b5-44dd-84ec-ad4736542169" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_0a937397-bc6c-4873-942f-9697b462d0b6" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.sabre.com/role/RevenuefromContractswithCustomersScheduleofDisaggregatedRevenuesDetails" xlink:type="simple" xlink:href="sabr-20250930.xsd#RevenuefromContractswithCustomersScheduleofDisaggregatedRevenuesDetails"/>
  <link:definitionLink xlink:role="http://www.sabre.com/role/RevenuefromContractswithCustomersScheduleofDisaggregatedRevenuesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueLineItems_3e12c38f-963c-4662-a02c-b2a09cb4f507" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisaggregationOfRevenueLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTable_7b36dd89-70d5-48b5-9799-e514a46ae097" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisaggregationOfRevenueTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_3e12c38f-963c-4662-a02c-b2a09cb4f507" xlink:to="loc_us-gaap_DisaggregationOfRevenueTable_7b36dd89-70d5-48b5-9799-e514a46ae097" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_717a9f30-1cab-4ed6-98b4-cc7f4f18c289" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ProductOrServiceAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DisaggregationOfRevenueTable_7b36dd89-70d5-48b5-9799-e514a46ae097" xlink:to="loc_srt_ProductOrServiceAxis_717a9f30-1cab-4ed6-98b4-cc7f4f18c289" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_717a9f30-1cab-4ed6-98b4-cc7f4f18c289_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_ProductOrServiceAxis_717a9f30-1cab-4ed6-98b4-cc7f4f18c289" xlink:to="loc_srt_ProductsAndServicesDomain_717a9f30-1cab-4ed6-98b4-cc7f4f18c289_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_1e09d042-34f2-48e8-bfdd-be885b3dd29b" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_ProductsAndServicesDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_ProductOrServiceAxis_717a9f30-1cab-4ed6-98b4-cc7f4f18c289" xlink:to="loc_srt_ProductsAndServicesDomain_1e09d042-34f2-48e8-bfdd-be885b3dd29b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_DistributionMember_a3e0e283-0ade-402c-984a-dddd9050e79f" xlink:href="sabr-20250930.xsd#sabr_DistributionMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_1e09d042-34f2-48e8-bfdd-be885b3dd29b" xlink:to="loc_sabr_DistributionMember_a3e0e283-0ade-402c-984a-dddd9050e79f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_ITSolutionsMember_6e472c59-6b2e-4ebb-a78e-55708624591a" xlink:href="sabr-20250930.xsd#sabr_ITSolutionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_ProductsAndServicesDomain_1e09d042-34f2-48e8-bfdd-be885b3dd29b" xlink:to="loc_sabr_ITSolutionsMember_6e472c59-6b2e-4ebb-a78e-55708624591a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_8ba1a3b7-e109-48b3-b619-98ab1f6c5bb9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_3e12c38f-963c-4662-a02c-b2a09cb4f507" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax_8ba1a3b7-e109-48b3-b619-98ab1f6c5bb9" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.sabre.com/role/DiscontinuedOperationsandDisposalNarrativeDetails" xlink:type="simple" xlink:href="sabr-20250930.xsd#DiscontinuedOperationsandDisposalNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.sabre.com/role/DiscontinuedOperationsandDisposalNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_d6d8796e-f267-4daf-b21d-4a5c299a0287" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_113265b9-7848-4ed4-a88c-78ccb95cc507" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_d6d8796e-f267-4daf-b21d-4a5c299a0287" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_113265b9-7848-4ed4-a88c-78ccb95cc507" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationAxis_63fb6ce3-16b7-45cc-ab03-8e0aad13752c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupClassificationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_113265b9-7848-4ed4-a88c-78ccb95cc507" xlink:to="loc_us-gaap_DisposalGroupClassificationAxis_63fb6ce3-16b7-45cc-ab03-8e0aad13752c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_63fb6ce3-16b7-45cc-ab03-8e0aad13752c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupClassificationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_63fb6ce3-16b7-45cc-ab03-8e0aad13752c" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_63fb6ce3-16b7-45cc-ab03-8e0aad13752c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_fc8397dc-5fb8-402d-846e-337f3251a31a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupClassificationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_63fb6ce3-16b7-45cc-ab03-8e0aad13752c" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_fc8397dc-5fb8-402d-846e-337f3251a31a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationsDisposedOfBySaleMember_b6233096-bf7f-4dc6-8abe-538ecc1a3489" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DiscontinuedOperationsDisposedOfBySaleMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupClassificationDomain_fc8397dc-5fb8-402d-846e-337f3251a31a" xlink:to="loc_us-gaap_DiscontinuedOperationsDisposedOfBySaleMember_b6233096-bf7f-4dc6-8abe-538ecc1a3489" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_51f35bef-14cc-4dc7-ba2c-2be105c7a2cd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_113265b9-7848-4ed4-a88c-78ccb95cc507" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_51f35bef-14cc-4dc7-ba2c-2be105c7a2cd" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_51f35bef-14cc-4dc7-ba2c-2be105c7a2cd_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_51f35bef-14cc-4dc7-ba2c-2be105c7a2cd" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_51f35bef-14cc-4dc7-ba2c-2be105c7a2cd_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_f8f8cfd6-a6ea-45bb-a1af-735bd5e51b67" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_51f35bef-14cc-4dc7-ba2c-2be105c7a2cd" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_f8f8cfd6-a6ea-45bb-a1af-735bd5e51b67" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_HospitalitySolutionsBusinessMember_0713bfa7-f7f1-499f-bf4e-8d1c81e27f0a" xlink:href="sabr-20250930.xsd#sabr_HospitalitySolutionsBusinessMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_f8f8cfd6-a6ea-45bb-a1af-735bd5e51b67" xlink:to="loc_sabr_HospitalitySolutionsBusinessMember_0713bfa7-f7f1-499f-bf4e-8d1c81e27f0a" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromDivestitureOfBusinesses_ffa2b15c-c656-4ac9-bf46-cbd5604dfef0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromDivestitureOfBusinesses"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_d6d8796e-f267-4daf-b21d-4a5c299a0287" xlink:to="loc_us-gaap_ProceedsFromDivestitureOfBusinesses_ffa2b15c-c656-4ac9-bf46-cbd5604dfef0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax_f7c462c0-eb9c-4d50-b96d-5b79613596e6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_d6d8796e-f267-4daf-b21d-4a5c299a0287" xlink:to="loc_us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax_f7c462c0-eb9c-4d50-b96d-5b79613596e6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax_1bf1f19a-a3ae-41f9-8691-ef74bb6c9fd8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_d6d8796e-f267-4daf-b21d-4a5c299a0287" xlink:to="loc_us-gaap_DiscontinuedOperationGainLossOnDisposalOfDiscontinuedOperationNetOfTax_1bf1f19a-a3ae-41f9-8691-ef74bb6c9fd8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_TransitionServicesAgreementsTerm_b7dab6b9-2864-49f9-8799-0e3223d30daa" xlink:href="sabr-20250930.xsd#sabr_TransitionServicesAgreementsTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_d6d8796e-f267-4daf-b21d-4a5c299a0287" xlink:to="loc_sabr_TransitionServicesAgreementsTerm_b7dab6b9-2864-49f9-8799-0e3223d30daa" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_PaymentsForTransitionServicesAgreements_7edbc1f4-e9b0-4854-8b27-a48a8b18d37f" xlink:href="sabr-20250930.xsd#sabr_PaymentsForTransitionServicesAgreements"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_d6d8796e-f267-4daf-b21d-4a5c299a0287" xlink:to="loc_sabr_PaymentsForTransitionServicesAgreements_7edbc1f4-e9b0-4854-8b27-a48a8b18d37f" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_ProceedsFromTransitionServicesAgreements_756a26df-d2ff-41e1-bafc-2c8eab67fbe3" xlink:href="sabr-20250930.xsd#sabr_ProceedsFromTransitionServicesAgreements"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_d6d8796e-f267-4daf-b21d-4a5c299a0287" xlink:to="loc_sabr_ProceedsFromTransitionServicesAgreements_756a26df-d2ff-41e1-bafc-2c8eab67fbe3" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_DiscontinuedOperationAmountOfContinuingRevenueAndCashFlowsAfterDisposal_96c197b9-9f5e-450a-8320-719f1463aee1" xlink:href="sabr-20250930.xsd#sabr_DiscontinuedOperationAmountOfContinuingRevenueAndCashFlowsAfterDisposal"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_d6d8796e-f267-4daf-b21d-4a5c299a0287" xlink:to="loc_sabr_DiscontinuedOperationAmountOfContinuingRevenueAndCashFlowsAfterDisposal_96c197b9-9f5e-450a-8320-719f1463aee1" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationIntraEntityAmountsDiscontinuedOperationAfterDisposalRevenue_90aea7e9-4a88-40ca-8934-f46b6ac2fb11" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DiscontinuedOperationIntraEntityAmountsDiscontinuedOperationAfterDisposalRevenue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_d6d8796e-f267-4daf-b21d-4a5c299a0287" xlink:to="loc_us-gaap_DiscontinuedOperationIntraEntityAmountsDiscontinuedOperationAfterDisposalRevenue_90aea7e9-4a88-40ca-8934-f46b6ac2fb11" xlink:type="arc" order="7"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.sabre.com/role/DiscontinuedOperationsandDisposalScheduleOfIncomeLossfromDiscontinuedOperationsDetails" xlink:type="simple" xlink:href="sabr-20250930.xsd#DiscontinuedOperationsandDisposalScheduleOfIncomeLossfromDiscontinuedOperationsDetails"/>
  <link:definitionLink xlink:role="http://www.sabre.com/role/DiscontinuedOperationsandDisposalScheduleOfIncomeLossfromDiscontinuedOperationsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_a724621e-ec61-4866-87bf-6e4be0753255" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_736517ac-d50d-455d-ad49-24548c34687e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_a724621e-ec61-4866-87bf-6e4be0753255" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_736517ac-d50d-455d-ad49-24548c34687e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationAxis_4dbaf69c-a032-4525-a545-fb1617312bf3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupClassificationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_736517ac-d50d-455d-ad49-24548c34687e" xlink:to="loc_us-gaap_DisposalGroupClassificationAxis_4dbaf69c-a032-4525-a545-fb1617312bf3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_4dbaf69c-a032-4525-a545-fb1617312bf3_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupClassificationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_4dbaf69c-a032-4525-a545-fb1617312bf3" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_4dbaf69c-a032-4525-a545-fb1617312bf3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_97fd45ef-f8aa-447a-9cd3-a93928cd15ad" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupClassificationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_4dbaf69c-a032-4525-a545-fb1617312bf3" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_97fd45ef-f8aa-447a-9cd3-a93928cd15ad" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationsDisposedOfBySaleMember_f17ea05b-e49d-47f3-a40f-b08404baac83" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DiscontinuedOperationsDisposedOfBySaleMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupClassificationDomain_97fd45ef-f8aa-447a-9cd3-a93928cd15ad" xlink:to="loc_us-gaap_DiscontinuedOperationsDisposedOfBySaleMember_f17ea05b-e49d-47f3-a40f-b08404baac83" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_8260f99e-aeee-4a31-bb5b-16f21bc11419" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_736517ac-d50d-455d-ad49-24548c34687e" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_8260f99e-aeee-4a31-bb5b-16f21bc11419" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_8260f99e-aeee-4a31-bb5b-16f21bc11419_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_8260f99e-aeee-4a31-bb5b-16f21bc11419" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_8260f99e-aeee-4a31-bb5b-16f21bc11419_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_447be679-8f89-40f9-9667-608a06e327a2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_8260f99e-aeee-4a31-bb5b-16f21bc11419" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_447be679-8f89-40f9-9667-608a06e327a2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_HospitalitySolutionsBusinessMember_41c6637a-00b5-4cf2-a16b-5d13586bebac" xlink:href="sabr-20250930.xsd#sabr_HospitalitySolutionsBusinessMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_447be679-8f89-40f9-9667-608a06e327a2" xlink:to="loc_sabr_HospitalitySolutionsBusinessMember_41c6637a-00b5-4cf2-a16b-5d13586bebac" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_2d4d3c36-2d4f-4d57-96b6-776e1cbf3bdf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_a724621e-ec61-4866-87bf-6e4be0753255" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_2d4d3c36-2d4f-4d57-96b6-776e1cbf3bdf" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold_59ba78c9-ac2c-434e-a9a0-2ec7e55482d5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_a724621e-ec61-4866-87bf-6e4be0753255" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold_59ba78c9-ac2c-434e-a9a0-2ec7e55482d5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_DisposalGroupIncludingDiscontinuedOperationInformationTechnologyAndDataProcessing_efb625a7-6fe6-4980-ac12-d9348a593440" xlink:href="sabr-20250930.xsd#sabr_DisposalGroupIncludingDiscontinuedOperationInformationTechnologyAndDataProcessing"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_a724621e-ec61-4866-87bf-6e4be0753255" xlink:to="loc_sabr_DisposalGroupIncludingDiscontinuedOperationInformationTechnologyAndDataProcessing_efb625a7-6fe6-4980-ac12-d9348a593440" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense_8b6a6895-eabc-4166-91f4-05f2fbf99d0f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_a724621e-ec61-4866-87bf-6e4be0753255" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense_8b6a6895-eabc-4166-91f4-05f2fbf99d0f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss_3339ba90-8d9e-4aeb-bde1-58dd1eb487d5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_a724621e-ec61-4866-87bf-6e4be0753255" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingIncomeLoss_3339ba90-8d9e-4aeb-bde1-58dd1eb487d5" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpenseAbstract_ee646584-9d2e-4e94-b728-8532e7af0b79" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherNonoperatingIncomeExpenseAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_a724621e-ec61-4866-87bf-6e4be0753255" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpenseAbstract_ee646584-9d2e-4e94-b728-8532e7af0b79" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_DisposalGroupIncludingDiscontinuedOperationInterestIncomeExpenseNonoperating_567fb9ae-c85e-4472-a116-2ba592a71806" xlink:href="sabr-20250930.xsd#sabr_DisposalGroupIncludingDiscontinuedOperationInterestIncomeExpenseNonoperating"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpenseAbstract_ee646584-9d2e-4e94-b728-8532e7af0b79" xlink:to="loc_sabr_DisposalGroupIncludingDiscontinuedOperationInterestIncomeExpenseNonoperating_567fb9ae-c85e-4472-a116-2ba592a71806" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_DisposalGroupIncludingDiscontinuedOperationGainLossOnExtinguishmentOfDebt_9d250bcb-6ba2-4adc-bd32-ce9307c33e12" xlink:href="sabr-20250930.xsd#sabr_DisposalGroupIncludingDiscontinuedOperationGainLossOnExtinguishmentOfDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpenseAbstract_ee646584-9d2e-4e94-b728-8532e7af0b79" xlink:to="loc_sabr_DisposalGroupIncludingDiscontinuedOperationGainLossOnExtinguishmentOfDebt_9d250bcb-6ba2-4adc-bd32-ce9307c33e12" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_DisposalGroupIncludingDiscontinuedOperationOtherNonoperatingIncomeExpense_fb9f689e-438b-4bb5-b9b1-5bd5cb5394e5" xlink:href="sabr-20250930.xsd#sabr_DisposalGroupIncludingDiscontinuedOperationOtherNonoperatingIncomeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpenseAbstract_ee646584-9d2e-4e94-b728-8532e7af0b79" xlink:to="loc_sabr_DisposalGroupIncludingDiscontinuedOperationOtherNonoperatingIncomeExpense_fb9f689e-438b-4bb5-b9b1-5bd5cb5394e5" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_DisposalGroupIncludingDiscontinuedOperationNonoperatingIncomeExpense_4fd91c0c-6cd1-4934-8eda-ffae3b97a399" xlink:href="sabr-20250930.xsd#sabr_DisposalGroupIncludingDiscontinuedOperationNonoperatingIncomeExpense"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_OtherNonoperatingIncomeExpenseAbstract_ee646584-9d2e-4e94-b728-8532e7af0b79" xlink:to="loc_sabr_DisposalGroupIncludingDiscontinuedOperationNonoperatingIncomeExpense_4fd91c0c-6cd1-4934-8eda-ffae3b97a399" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_c222501f-3364-4206-8caa-daa946621a1b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_a724621e-ec61-4866-87bf-6e4be0753255" xlink:to="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_c222501f-3364-4206-8caa-daa946621a1b" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_8cc424df-2ea5-4c55-b92d-288b803c2183" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_a724621e-ec61-4866-87bf-6e4be0753255" xlink:to="loc_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_8cc424df-2ea5-4c55-b92d-288b803c2183" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_ced755c8-9f66-4874-a5c1-424cf05c7647" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_a724621e-ec61-4866-87bf-6e4be0753255" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_ced755c8-9f66-4874-a5c1-424cf05c7647" xlink:type="arc" order="8"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.sabre.com/role/DiscontinuedOperationsandDisposalScheduleOfAssetsAndLiabilitiesFromDiscontinuedOperationsDetails" xlink:type="simple" xlink:href="sabr-20250930.xsd#DiscontinuedOperationsandDisposalScheduleOfAssetsAndLiabilitiesFromDiscontinuedOperationsDetails"/>
  <link:definitionLink xlink:role="http://www.sabre.com/role/DiscontinuedOperationsandDisposalScheduleOfAssetsAndLiabilitiesFromDiscontinuedOperationsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_6a3152ad-4603-4407-b2c3-f66749de7084" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_0439266d-ab2f-4656-a77a-0d0cf1f61f84" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_6a3152ad-4603-4407-b2c3-f66749de7084" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_0439266d-ab2f-4656-a77a-0d0cf1f61f84" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationAxis_8368ce2f-6507-45f0-bd93-b0d464d4637c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupClassificationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_0439266d-ab2f-4656-a77a-0d0cf1f61f84" xlink:to="loc_us-gaap_DisposalGroupClassificationAxis_8368ce2f-6507-45f0-bd93-b0d464d4637c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_8368ce2f-6507-45f0-bd93-b0d464d4637c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupClassificationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_8368ce2f-6507-45f0-bd93-b0d464d4637c" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_8368ce2f-6507-45f0-bd93-b0d464d4637c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_5ff0d733-c32e-4fc2-aaad-2dce52cdedd4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupClassificationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_8368ce2f-6507-45f0-bd93-b0d464d4637c" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_5ff0d733-c32e-4fc2-aaad-2dce52cdedd4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationsDisposedOfBySaleMember_922ef47a-d2eb-4020-acac-5aaea6a9e363" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DiscontinuedOperationsDisposedOfBySaleMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupClassificationDomain_5ff0d733-c32e-4fc2-aaad-2dce52cdedd4" xlink:to="loc_us-gaap_DiscontinuedOperationsDisposedOfBySaleMember_922ef47a-d2eb-4020-acac-5aaea6a9e363" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_24f7a590-4af2-4084-bb4b-da79d0843875" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_0439266d-ab2f-4656-a77a-0d0cf1f61f84" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_24f7a590-4af2-4084-bb4b-da79d0843875" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_24f7a590-4af2-4084-bb4b-da79d0843875_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_24f7a590-4af2-4084-bb4b-da79d0843875" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_24f7a590-4af2-4084-bb4b-da79d0843875_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_855a9d0d-da62-40eb-bedd-d8b90975ceb9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_24f7a590-4af2-4084-bb4b-da79d0843875" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_855a9d0d-da62-40eb-bedd-d8b90975ceb9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_HospitalitySolutionsBusinessMember_88169827-a5e6-4f26-a6aa-da1f96ac3c51" xlink:href="sabr-20250930.xsd#sabr_HospitalitySolutionsBusinessMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_855a9d0d-da62-40eb-bedd-d8b90975ceb9" xlink:to="loc_sabr_HospitalitySolutionsBusinessMember_88169827-a5e6-4f26-a6aa-da1f96ac3c51" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationAbstract_ab615923-493c-4a36-8c3e-db33699d4579" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_6a3152ad-4603-4407-b2c3-f66749de7084" xlink:to="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationAbstract_ab615923-493c-4a36-8c3e-db33699d4579" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet_81bdb509-6295-4d55-9f7e-36f5fa482da7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationAbstract_ab615923-493c-4a36-8c3e-db33699d4579" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet_81bdb509-6295-4d55-9f7e-36f5fa482da7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssetsCurrent_908d995f-233a-4f1d-b9f2-14d9a8cc8d84" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssetsCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationAbstract_ab615923-493c-4a36-8c3e-db33699d4579" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationPrepaidAndOtherAssetsCurrent_908d995f-233a-4f1d-b9f2-14d9a8cc8d84" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_6688439c-a07f-4bd0-8879-249f1c4db41f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationAbstract_ab615923-493c-4a36-8c3e-db33699d4579" xlink:to="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_6688439c-a07f-4bd0-8879-249f1c4db41f" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent_fd34755e-2041-4baf-aeb2-f23b91abdc1e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationAbstract_ab615923-493c-4a36-8c3e-db33699d4579" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent_fd34755e-2041-4baf-aeb2-f23b91abdc1e" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_DisposalGroupIncludingDiscontinuedOperationGoodwillAndIntangibleAssetsNoncurrent_00315510-ca43-46de-8521-16d7a29bc2aa" xlink:href="sabr-20250930.xsd#sabr_DisposalGroupIncludingDiscontinuedOperationGoodwillAndIntangibleAssetsNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationAbstract_ab615923-493c-4a36-8c3e-db33699d4579" xlink:to="loc_sabr_DisposalGroupIncludingDiscontinuedOperationGoodwillAndIntangibleAssetsNoncurrent_00315510-ca43-46de-8521-16d7a29bc2aa" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets_57131ac1-0218-4e80-9202-573ae4a7d012" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationAbstract_ab615923-493c-4a36-8c3e-db33699d4579" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets_57131ac1-0218-4e80-9202-573ae4a7d012" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent_b6647273-45b9-4e4b-a1d2-e8285c83756a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationAbstract_ab615923-493c-4a36-8c3e-db33699d4579" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent_b6647273-45b9-4e4b-a1d2-e8285c83756a" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_32ade114-448b-4b54-9acc-28d334dea751" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationAbstract_ab615923-493c-4a36-8c3e-db33699d4579" xlink:to="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_32ade114-448b-4b54-9acc-28d334dea751" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationAbstract_da02ba85-ec56-4b69-b76c-d5edaee914b0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_6a3152ad-4603-4407-b2c3-f66749de7084" xlink:to="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationAbstract_da02ba85-ec56-4b69-b76c-d5edaee914b0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent_c98a1967-2035-4b53-93f6-2c6fec145699" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationAbstract_da02ba85-ec56-4b69-b76c-d5edaee914b0" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent_c98a1967-2035-4b53-93f6-2c6fec145699" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesCurrent_38df8468-396d-4f96-a9eb-e5d15e791127" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationAbstract_da02ba85-ec56-4b69-b76c-d5edaee914b0" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesCurrent_38df8468-396d-4f96-a9eb-e5d15e791127" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredRevenueCurrent_c51b9370-d823-49a5-ac9e-f195e4d9c0ce" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredRevenueCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationAbstract_da02ba85-ec56-4b69-b76c-d5edaee914b0" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredRevenueCurrent_c51b9370-d823-49a5-ac9e-f195e4d9c0ce" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_f7352536-8327-4b07-be06-a5ec663bf9e4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationAbstract_da02ba85-ec56-4b69-b76c-d5edaee914b0" xlink:to="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_f7352536-8327-4b07-be06-a5ec663bf9e4" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_DisposalGroupIncludingDiscontinuedOperationOtherLiabilitiesAndDeferredTaxLiabilitiesNoncurrent_80c7deaf-4fbb-43c1-b9aa-cae2bc94aef7" xlink:href="sabr-20250930.xsd#sabr_DisposalGroupIncludingDiscontinuedOperationOtherLiabilitiesAndDeferredTaxLiabilitiesNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationAbstract_da02ba85-ec56-4b69-b76c-d5edaee914b0" xlink:to="loc_sabr_DisposalGroupIncludingDiscontinuedOperationOtherLiabilitiesAndDeferredTaxLiabilitiesNoncurrent_80c7deaf-4fbb-43c1-b9aa-cae2bc94aef7" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent_5df74209-a4d4-40a1-abe6-57e0b7666647" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationAbstract_da02ba85-ec56-4b69-b76c-d5edaee914b0" xlink:to="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent_5df74209-a4d4-40a1-abe6-57e0b7666647" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_01edc1a6-889b-474a-8764-d5588b2aaeec" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationAbstract_da02ba85-ec56-4b69-b76c-d5edaee914b0" xlink:to="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_01edc1a6-889b-474a-8764-d5588b2aaeec" xlink:type="arc" order="7"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.sabre.com/role/DiscontinuedOperationsandDisposalScheduleOfCashFlowsFromDiscontinuedOperationsDetails" xlink:type="simple" xlink:href="sabr-20250930.xsd#DiscontinuedOperationsandDisposalScheduleOfCashFlowsFromDiscontinuedOperationsDetails"/>
  <link:definitionLink xlink:role="http://www.sabre.com/role/DiscontinuedOperationsandDisposalScheduleOfCashFlowsFromDiscontinuedOperationsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_ac4667d9-5078-40df-8764-43f42c24060f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_b5eac745-00b6-4328-bc05-30c5a1566a3f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_ac4667d9-5078-40df-8764-43f42c24060f" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_b5eac745-00b6-4328-bc05-30c5a1566a3f" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationAxis_22c1aa5c-fc75-49e5-b0d8-2ce1f0a9656d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupClassificationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_b5eac745-00b6-4328-bc05-30c5a1566a3f" xlink:to="loc_us-gaap_DisposalGroupClassificationAxis_22c1aa5c-fc75-49e5-b0d8-2ce1f0a9656d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_22c1aa5c-fc75-49e5-b0d8-2ce1f0a9656d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupClassificationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_22c1aa5c-fc75-49e5-b0d8-2ce1f0a9656d" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_22c1aa5c-fc75-49e5-b0d8-2ce1f0a9656d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupClassificationDomain_31f774c9-cfdb-42ac-bc47-6b0ca80c90ae" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupClassificationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DisposalGroupClassificationAxis_22c1aa5c-fc75-49e5-b0d8-2ce1f0a9656d" xlink:to="loc_us-gaap_DisposalGroupClassificationDomain_31f774c9-cfdb-42ac-bc47-6b0ca80c90ae" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationsDisposedOfBySaleMember_602239c9-0ab3-48d8-b763-c743755c3aaa" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DiscontinuedOperationsDisposedOfBySaleMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupClassificationDomain_31f774c9-cfdb-42ac-bc47-6b0ca80c90ae" xlink:to="loc_us-gaap_DiscontinuedOperationsDisposedOfBySaleMember_602239c9-0ab3-48d8-b763-c743755c3aaa" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_3ad5d6e6-36bc-48ee-8547-fc502a4d65c9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_b5eac745-00b6-4328-bc05-30c5a1566a3f" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_3ad5d6e6-36bc-48ee-8547-fc502a4d65c9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_3ad5d6e6-36bc-48ee-8547-fc502a4d65c9_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_3ad5d6e6-36bc-48ee-8547-fc502a4d65c9" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_3ad5d6e6-36bc-48ee-8547-fc502a4d65c9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_1020ec00-3400-4d91-8a56-dbed73e20752" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_3ad5d6e6-36bc-48ee-8547-fc502a4d65c9" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_1020ec00-3400-4d91-8a56-dbed73e20752" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_HospitalitySolutionsBusinessMember_09daa1cb-7687-4893-a654-ec0d8dae3c63" xlink:href="sabr-20250930.xsd#sabr_HospitalitySolutionsBusinessMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_1020ec00-3400-4d91-8a56-dbed73e20752" xlink:to="loc_sabr_HospitalitySolutionsBusinessMember_09daa1cb-7687-4893-a654-ec0d8dae3c63" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_609ab1e8-2d42-4170-b924-a7cdcec60778" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_ac4667d9-5078-40df-8764-43f42c24060f" xlink:to="loc_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_609ab1e8-2d42-4170-b924-a7cdcec60778" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_2434f405-c36e-4deb-bb51-973d12982cc2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_ac4667d9-5078-40df-8764-43f42c24060f" xlink:to="loc_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_2434f405-c36e-4deb-bb51-973d12982cc2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInDiscontinuedOperations_182e3ed0-1631-4b95-8267-3511fe6623b8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_NetCashProvidedByUsedInDiscontinuedOperations"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_ac4667d9-5078-40df-8764-43f42c24060f" xlink:to="loc_us-gaap_NetCashProvidedByUsedInDiscontinuedOperations_182e3ed0-1631-4b95-8267-3511fe6623b8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_DisposalGroupIncludingDiscontinuedOperationCapitalExpendituresIncurredButNotYetPaid_cd4e84f3-8bd2-4ec0-bdab-8901d3f71de5" xlink:href="sabr-20250930.xsd#sabr_DisposalGroupIncludingDiscontinuedOperationCapitalExpendituresIncurredButNotYetPaid"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_ac4667d9-5078-40df-8764-43f42c24060f" xlink:to="loc_sabr_DisposalGroupIncludingDiscontinuedOperationCapitalExpendituresIncurredButNotYetPaid_cd4e84f3-8bd2-4ec0-bdab-8901d3f71de5" xlink:type="arc" order="3"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.sabre.com/role/RedeemableNoncontrollingInterestNarrativeDetails" xlink:type="simple" xlink:href="sabr-20250930.xsd#RedeemableNoncontrollingInterestNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.sabre.com/role/RedeemableNoncontrollingInterestNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RedeemableNoncontrollingInterestLineItems_442d2ed1-808a-411c-8a0a-ff9002c56fe7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RedeemableNoncontrollingInterestLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RedeemableNoncontrollingInterestByLegalEntityTable_67b0b2fc-99f3-44d5-9092-02cc6647ed96" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RedeemableNoncontrollingInterestByLegalEntityTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_RedeemableNoncontrollingInterestLineItems_442d2ed1-808a-411c-8a0a-ff9002c56fe7" xlink:to="loc_us-gaap_RedeemableNoncontrollingInterestByLegalEntityTable_67b0b2fc-99f3-44d5-9092-02cc6647ed96" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipAxis_d7073638-0589-4efb-8c8f-3440cd87960d" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_OwnershipAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_RedeemableNoncontrollingInterestByLegalEntityTable_67b0b2fc-99f3-44d5-9092-02cc6647ed96" xlink:to="loc_srt_OwnershipAxis_d7073638-0589-4efb-8c8f-3440cd87960d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipDomain_d7073638-0589-4efb-8c8f-3440cd87960d_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_OwnershipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_OwnershipAxis_d7073638-0589-4efb-8c8f-3440cd87960d" xlink:to="loc_srt_OwnershipDomain_d7073638-0589-4efb-8c8f-3440cd87960d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipDomain_25cec139-fbfd-4cd0-a15d-91393907e94d" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_OwnershipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_OwnershipAxis_d7073638-0589-4efb-8c8f-3440cd87960d" xlink:to="loc_srt_OwnershipDomain_25cec139-fbfd-4cd0-a15d-91393907e94d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_ConfermaLimitedDirectParentCompanyMember_b625414c-2af7-4398-8bdb-ab078e5ad476" xlink:href="sabr-20250930.xsd#sabr_ConfermaLimitedDirectParentCompanyMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_OwnershipDomain_25cec139-fbfd-4cd0-a15d-91393907e94d" xlink:to="loc_sabr_ConfermaLimitedDirectParentCompanyMember_b625414c-2af7-4398-8bdb-ab078e5ad476" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_OwnershipInterestPercentageDisposedOf_33f4a6e7-d51d-445e-b754-986605b67da5" xlink:href="sabr-20250930.xsd#sabr_OwnershipInterestPercentageDisposedOf"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RedeemableNoncontrollingInterestLineItems_442d2ed1-808a-411c-8a0a-ff9002c56fe7" xlink:to="loc_sabr_OwnershipInterestPercentageDisposedOf_33f4a6e7-d51d-445e-b754-986605b67da5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSalesOfAssetsInvestingActivities_956f63fe-e2c5-4d7f-94c2-cbdba2c3f2cd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromSalesOfAssetsInvestingActivities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RedeemableNoncontrollingInterestLineItems_442d2ed1-808a-411c-8a0a-ff9002c56fe7" xlink:to="loc_us-gaap_ProceedsFromSalesOfAssetsInvestingActivities_956f63fe-e2c5-4d7f-94c2-cbdba2c3f2cd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_bef0e5e6-6c4e-4752-9642-0d27875e22e4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RedeemableNoncontrollingInterestLineItems_442d2ed1-808a-411c-8a0a-ff9002c56fe7" xlink:to="loc_us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners_bef0e5e6-6c4e-4752-9642-0d27875e22e4" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfRedeemableNoncontrollingInterest_a48574ef-41e3-463c-bbb5-1ce30b0ad362" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsForRepurchaseOfRedeemableNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RedeemableNoncontrollingInterestLineItems_442d2ed1-808a-411c-8a0a-ff9002c56fe7" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfRedeemableNoncontrollingInterest_a48574ef-41e3-463c-bbb5-1ce30b0ad362" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount_bdc44831-5a70-4528-a785-7c790b5bc08c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RedeemableNoncontrollingInterestLineItems_442d2ed1-808a-411c-8a0a-ff9002c56fe7" xlink:to="loc_us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount_bdc44831-5a70-4528-a785-7c790b5bc08c" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.sabre.com/role/DebtNarrativeDetails" xlink:type="simple" xlink:href="sabr-20250930.xsd#DebtNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.sabre.com/role/DebtNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_af78f926-ff2c-4032-a19a-5c69bcbc4992" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_a93d2963-fceb-4c8b-8d94-f53ea2545d25" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_af78f926-ff2c-4032-a19a-5c69bcbc4992" xlink:to="loc_us-gaap_DebtInstrumentTable_a93d2963-fceb-4c8b-8d94-f53ea2545d25" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_8b406d57-76d5-4b22-bc50-c120dd1c4c58" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_a93d2963-fceb-4c8b-8d94-f53ea2545d25" xlink:to="loc_us-gaap_CreditFacilityAxis_8b406d57-76d5-4b22-bc50-c120dd1c4c58" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_8b406d57-76d5-4b22-bc50-c120dd1c4c58_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_8b406d57-76d5-4b22-bc50-c120dd1c4c58" xlink:to="loc_us-gaap_CreditFacilityDomain_8b406d57-76d5-4b22-bc50-c120dd1c4c58_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_b08d5dad-d904-4cd3-aa97-227d5951dc4e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_8b406d57-76d5-4b22-bc50-c120dd1c4c58" xlink:to="loc_us-gaap_CreditFacilityDomain_b08d5dad-d904-4cd3-aa97-227d5951dc4e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LetterOfCreditMember_179b788a-4d5b-4a17-b713-1ecad845aef4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LetterOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_b08d5dad-d904-4cd3-aa97-227d5951dc4e" xlink:to="loc_us-gaap_LetterOfCreditMember_179b788a-4d5b-4a17-b713-1ecad845aef4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_05c7b87d-4911-4794-9c66-11824cc2560a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_a93d2963-fceb-4c8b-8d94-f53ea2545d25" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_05c7b87d-4911-4794-9c66-11824cc2560a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_05c7b87d-4911-4794-9c66-11824cc2560a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_05c7b87d-4911-4794-9c66-11824cc2560a" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_05c7b87d-4911-4794-9c66-11824cc2560a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_8468d637-7699-42b5-a109-30f038818d47" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_05c7b87d-4911-4794-9c66-11824cc2560a" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_8468d637-7699-42b5-a109-30f038818d47" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditMember_81747c6b-3758-415e-bdf0-212c01e8f850" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LineOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_8468d637-7699-42b5-a109-30f038818d47" xlink:to="loc_us-gaap_LineOfCreditMember_81747c6b-3758-415e-bdf0-212c01e8f850" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SeniorSecuredNotesMember_a2b623dd-100b-408d-a7cd-706e986ac0db" xlink:href="sabr-20250930.xsd#sabr_SeniorSecuredNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_8468d637-7699-42b5-a109-30f038818d47" xlink:to="loc_sabr_SeniorSecuredNotesMember_a2b623dd-100b-408d-a7cd-706e986ac0db" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MediumTermNotesMember_c01f67e3-ee30-42cb-81a2-8d703da39bb0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MediumTermNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_8468d637-7699-42b5-a109-30f038818d47" xlink:to="loc_us-gaap_MediumTermNotesMember_c01f67e3-ee30-42cb-81a2-8d703da39bb0" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_95396451-4f5e-4201-987d-eec28d53a1c8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_a93d2963-fceb-4c8b-8d94-f53ea2545d25" xlink:to="loc_us-gaap_DebtInstrumentAxis_95396451-4f5e-4201-987d-eec28d53a1c8" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_95396451-4f5e-4201-987d-eec28d53a1c8_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_95396451-4f5e-4201-987d-eec28d53a1c8" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_95396451-4f5e-4201-987d-eec28d53a1c8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_5e2bfbeb-6c3d-4fc1-9fb9-b4861c4547fa" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_95396451-4f5e-4201-987d-eec28d53a1c8" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_5e2bfbeb-6c3d-4fc1-9fb9-b4861c4547fa" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SeniorExchangeableNotes7.32Due2026Member_15a44ad5-ac3e-4ed7-9938-71154e2326bf" xlink:href="sabr-20250930.xsd#sabr_SeniorExchangeableNotes7.32Due2026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_5e2bfbeb-6c3d-4fc1-9fb9-b4861c4547fa" xlink:to="loc_sabr_SeniorExchangeableNotes7.32Due2026Member_15a44ad5-ac3e-4ed7-9938-71154e2326bf" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_A2021TermLoanB1And2024TermLoanB2Member_5ca9521a-c40f-4c9e-8287-e145c83f0825" xlink:href="sabr-20250930.xsd#sabr_A2021TermLoanB1And2024TermLoanB2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_5e2bfbeb-6c3d-4fc1-9fb9-b4861c4547fa" xlink:to="loc_sabr_A2021TermLoanB1And2024TermLoanB2Member_5ca9521a-c40f-4c9e-8287-e145c83f0825" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_1f2a39dd-ef85-4157-b6f5-aa0aabb10150" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_af78f926-ff2c-4032-a19a-5c69bcbc4992" xlink:to="loc_us-gaap_LongTermDebt_1f2a39dd-ef85-4157-b6f5-aa0aabb10150" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_d5774987-af4c-4730-bff4-05bde62f753f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredFinanceCostsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_af78f926-ff2c-4032-a19a-5c69bcbc4992" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_d5774987-af4c-4730-bff4-05bde62f753f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_6ceeec1a-1593-4cbc-bb9e-85d160cddf00" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_af78f926-ff2c-4032-a19a-5c69bcbc4992" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet_6ceeec1a-1593-4cbc-bb9e-85d160cddf00" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LettersOfCreditOutstandingAmount_d841d8d0-48a7-474f-b895-68c903b723f9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LettersOfCreditOutstandingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_af78f926-ff2c-4032-a19a-5c69bcbc4992" xlink:to="loc_us-gaap_LettersOfCreditOutstandingAmount_d841d8d0-48a7-474f-b895-68c903b723f9" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCollateralForBorrowedSecurities_02d6f0a0-03d2-43e7-9045-51beb310f497" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashCollateralForBorrowedSecurities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_af78f926-ff2c-4032-a19a-5c69bcbc4992" xlink:to="loc_us-gaap_CashCollateralForBorrowedSecurities_02d6f0a0-03d2-43e7-9045-51beb310f497" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_6ffcd43a-efd8-4609-9b44-8ac24801b479" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_af78f926-ff2c-4032-a19a-5c69bcbc4992" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_6ffcd43a-efd8-4609-9b44-8ac24801b479" xlink:type="arc" order="5"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.sabre.com/role/DebtScheduleofOutstandingDebtDetails" xlink:type="simple" xlink:href="sabr-20250930.xsd#DebtScheduleofOutstandingDebtDetails"/>
  <link:definitionLink xlink:role="http://www.sabre.com/role/DebtScheduleofOutstandingDebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_9310d506-4975-46ff-ad6d-ff0cab6202ae" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_28dacb5f-7348-43f5-84c7-ab219768a5a4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_9310d506-4975-46ff-ad6d-ff0cab6202ae" xlink:to="loc_us-gaap_DebtInstrumentTable_28dacb5f-7348-43f5-84c7-ab219768a5a4" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_ec71e0c5-ac17-448b-820e-95de32362df3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_28dacb5f-7348-43f5-84c7-ab219768a5a4" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_ec71e0c5-ac17-448b-820e-95de32362df3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_ec71e0c5-ac17-448b-820e-95de32362df3_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_ec71e0c5-ac17-448b-820e-95de32362df3" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_ec71e0c5-ac17-448b-820e-95de32362df3_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_d5aedf67-740f-4825-84fb-2b1917a004d9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_ec71e0c5-ac17-448b-820e-95de32362df3" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_d5aedf67-740f-4825-84fb-2b1917a004d9" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MediumTermNotesMember_bdb662b9-8792-4617-ab7e-4d3119f3c1ea" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MediumTermNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_d5aedf67-740f-4825-84fb-2b1917a004d9" xlink:to="loc_us-gaap_MediumTermNotesMember_bdb662b9-8792-4617-ab7e-4d3119f3c1ea" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditMember_695b5318-9321-49e7-86c4-d0745ecb2794" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LineOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_d5aedf67-740f-4825-84fb-2b1917a004d9" xlink:to="loc_us-gaap_LineOfCreditMember_695b5318-9321-49e7-86c4-d0745ecb2794" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SeniorSecuredNotesMember_aee1c45c-6e2e-421f-a60e-520e9fc76160" xlink:href="sabr-20250930.xsd#sabr_SeniorSecuredNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_d5aedf67-740f-4825-84fb-2b1917a004d9" xlink:to="loc_sabr_SeniorSecuredNotesMember_aee1c45c-6e2e-421f-a60e-520e9fc76160" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_1b69e53c-0b44-46d7-a95c-4157e816e2a0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_28dacb5f-7348-43f5-84c7-ab219768a5a4" xlink:to="loc_us-gaap_CreditFacilityAxis_1b69e53c-0b44-46d7-a95c-4157e816e2a0" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_1b69e53c-0b44-46d7-a95c-4157e816e2a0_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_1b69e53c-0b44-46d7-a95c-4157e816e2a0" xlink:to="loc_us-gaap_CreditFacilityDomain_1b69e53c-0b44-46d7-a95c-4157e816e2a0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_2c6789b1-99b0-457d-9341-f9e831986b36" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_1b69e53c-0b44-46d7-a95c-4157e816e2a0" xlink:to="loc_us-gaap_CreditFacilityDomain_2c6789b1-99b0-457d-9341-f9e831986b36" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_582ce48a-cb50-4622-9064-6e60256dad82" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_2c6789b1-99b0-457d-9341-f9e831986b36" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_582ce48a-cb50-4622-9064-6e60256dad82" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_TermLoanMember_f370d01f-5d59-4730-a937-186ed4edf483" xlink:href="sabr-20250930.xsd#sabr_TermLoanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_2c6789b1-99b0-457d-9341-f9e831986b36" xlink:to="loc_sabr_TermLoanMember_f370d01f-5d59-4730-a937-186ed4edf483" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_d44bd51d-b186-4055-a02b-fe4129ff20f9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_28dacb5f-7348-43f5-84c7-ab219768a5a4" xlink:to="loc_us-gaap_DebtInstrumentAxis_d44bd51d-b186-4055-a02b-fe4129ff20f9" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_d44bd51d-b186-4055-a02b-fe4129ff20f9_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_d44bd51d-b186-4055-a02b-fe4129ff20f9" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_d44bd51d-b186-4055-a02b-fe4129ff20f9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_7d09e5b9-a4a5-4d18-8951-d9e2ce289ca3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_d44bd51d-b186-4055-a02b-fe4129ff20f9" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_7d09e5b9-a4a5-4d18-8951-d9e2ce289ca3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_A2021TermLoanB1Member_4e7d7b1d-8756-45d6-9e05-05d8cb4e3723" xlink:href="sabr-20250930.xsd#sabr_A2021TermLoanB1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_7d09e5b9-a4a5-4d18-8951-d9e2ce289ca3" xlink:to="loc_sabr_A2021TermLoanB1Member_4e7d7b1d-8756-45d6-9e05-05d8cb4e3723" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_A2021TermLoanB2Member_81dce47d-e83a-45a1-9d20-a7ea49e8759d" xlink:href="sabr-20250930.xsd#sabr_A2021TermLoanB2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_7d09e5b9-a4a5-4d18-8951-d9e2ce289ca3" xlink:to="loc_sabr_A2021TermLoanB2Member_81dce47d-e83a-45a1-9d20-a7ea49e8759d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_A2022TermLoanB1Member_c41f8543-26df-4965-9a9a-2ed3bf9ba583" xlink:href="sabr-20250930.xsd#sabr_A2022TermLoanB1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_7d09e5b9-a4a5-4d18-8951-d9e2ce289ca3" xlink:to="loc_sabr_A2022TermLoanB1Member_c41f8543-26df-4965-9a9a-2ed3bf9ba583" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_A2022TermLoanB2Member_72b8d34b-e497-4588-b40c-29056affbf2d" xlink:href="sabr-20250930.xsd#sabr_A2022TermLoanB2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_7d09e5b9-a4a5-4d18-8951-d9e2ce289ca3" xlink:to="loc_sabr_A2022TermLoanB2Member_72b8d34b-e497-4588-b40c-29056affbf2d" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_A2024TermLoanB1Member_296436bd-261a-4c80-bc21-5fcfb84ab9b1" xlink:href="sabr-20250930.xsd#sabr_A2024TermLoanB1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_7d09e5b9-a4a5-4d18-8951-d9e2ce289ca3" xlink:to="loc_sabr_A2024TermLoanB1Member_296436bd-261a-4c80-bc21-5fcfb84ab9b1" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_A2024TermLoanB2Member_84c0a0a1-2399-4627-bf37-7a27ce7dd8ec" xlink:href="sabr-20250930.xsd#sabr_A2024TermLoanB2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_7d09e5b9-a4a5-4d18-8951-d9e2ce289ca3" xlink:to="loc_sabr_A2024TermLoanB2Member_84c0a0a1-2399-4627-bf37-7a27ce7dd8ec" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SeniorSecuredTermLoanFacilityDue2028Member_95948406-66a3-4cf3-94e5-e6cd865f206c" xlink:href="sabr-20250930.xsd#sabr_SeniorSecuredTermLoanFacilityDue2028Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_7d09e5b9-a4a5-4d18-8951-d9e2ce289ca3" xlink:to="loc_sabr_SeniorSecuredTermLoanFacilityDue2028Member_95948406-66a3-4cf3-94e5-e6cd865f206c" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SecuritizationFacilityMember_4534cc63-db79-41e8-a2f1-7ee92b88aead" xlink:href="sabr-20250930.xsd#sabr_SecuritizationFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_7d09e5b9-a4a5-4d18-8951-d9e2ce289ca3" xlink:to="loc_sabr_SecuritizationFacilityMember_4534cc63-db79-41e8-a2f1-7ee92b88aead" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SeniorSecuredNotes925Due2025Member_cbd726bf-ce25-494b-ad2e-50d77bc4797b" xlink:href="sabr-20250930.xsd#sabr_SeniorSecuredNotes925Due2025Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_7d09e5b9-a4a5-4d18-8951-d9e2ce289ca3" xlink:to="loc_sabr_SeniorSecuredNotes925Due2025Member_cbd726bf-ce25-494b-ad2e-50d77bc4797b" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SeniorExchangeableNotes400Due2025Member_533bfd89-93cb-47c9-8b21-260d4b100d38" xlink:href="sabr-20250930.xsd#sabr_SeniorExchangeableNotes400Due2025Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_7d09e5b9-a4a5-4d18-8951-d9e2ce289ca3" xlink:to="loc_sabr_SeniorExchangeableNotes400Due2025Member_533bfd89-93cb-47c9-8b21-260d4b100d38" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SeniorSecuredNotes7375Due2025Member_fdaa27bf-48d2-49c7-a5f0-d1c9f4b19116" xlink:href="sabr-20250930.xsd#sabr_SeniorSecuredNotes7375Due2025Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_7d09e5b9-a4a5-4d18-8951-d9e2ce289ca3" xlink:to="loc_sabr_SeniorSecuredNotes7375Due2025Member_fdaa27bf-48d2-49c7-a5f0-d1c9f4b19116" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SeniorExchangeableNotes7.32Due2026Member_d95399cc-9494-4381-99c2-c95b66987e52" xlink:href="sabr-20250930.xsd#sabr_SeniorExchangeableNotes7.32Due2026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_7d09e5b9-a4a5-4d18-8951-d9e2ce289ca3" xlink:to="loc_sabr_SeniorExchangeableNotes7.32Due2026Member_d95399cc-9494-4381-99c2-c95b66987e52" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SeniorSecuredNotes8625Due2027Member_1f5cc4a0-6c79-407d-aff1-5f650968af42" xlink:href="sabr-20250930.xsd#sabr_SeniorSecuredNotes8625Due2027Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_7d09e5b9-a4a5-4d18-8951-d9e2ce289ca3" xlink:to="loc_sabr_SeniorSecuredNotes8625Due2027Member_1f5cc4a0-6c79-407d-aff1-5f650968af42" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SeniorSecuredNotes1125Due2027Member_848c3f88-a0af-4938-96a5-b824e880ee8d" xlink:href="sabr-20250930.xsd#sabr_SeniorSecuredNotes1125Due2027Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_7d09e5b9-a4a5-4d18-8951-d9e2ce289ca3" xlink:to="loc_sabr_SeniorSecuredNotes1125Due2027Member_848c3f88-a0af-4938-96a5-b824e880ee8d" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SeniorSecuredNotes10.75Due2029Member_868d2bd0-8fe8-42f2-9235-ded8fa4fb922" xlink:href="sabr-20250930.xsd#sabr_SeniorSecuredNotes10.75Due2029Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_7d09e5b9-a4a5-4d18-8951-d9e2ce289ca3" xlink:to="loc_sabr_SeniorSecuredNotes10.75Due2029Member_868d2bd0-8fe8-42f2-9235-ded8fa4fb922" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SeniorSecuredNotes11.125Due2030Member_66359b49-0f89-4b3c-848b-ef95096a4aac" xlink:href="sabr-20250930.xsd#sabr_SeniorSecuredNotes11.125Due2030Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_7d09e5b9-a4a5-4d18-8951-d9e2ce289ca3" xlink:to="loc_sabr_SeniorSecuredNotes11.125Due2030Member_66359b49-0f89-4b3c-848b-ef95096a4aac" xlink:type="arc" order="15"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateAxis_9d13b928-0fbb-4101-888e-728ad75c6467" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_VariableRateAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_28dacb5f-7348-43f5-84c7-ab219768a5a4" xlink:to="loc_us-gaap_VariableRateAxis_9d13b928-0fbb-4101-888e-728ad75c6467" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_9d13b928-0fbb-4101-888e-728ad75c6467_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_9d13b928-0fbb-4101-888e-728ad75c6467" xlink:to="loc_us-gaap_VariableRateDomain_9d13b928-0fbb-4101-888e-728ad75c6467_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_de08e129-9e1a-4320-b475-c57040da6198" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_9d13b928-0fbb-4101-888e-728ad75c6467" xlink:to="loc_us-gaap_VariableRateDomain_de08e129-9e1a-4320-b475-c57040da6198" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredOvernightFinancingRateSofrMember_96b15ec0-fad7-4140-b321-c1ff268ac462" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SecuredOvernightFinancingRateSofrMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_de08e129-9e1a-4320-b475-c57040da6198" xlink:to="loc_us-gaap_SecuredOvernightFinancingRateSofrMember_96b15ec0-fad7-4140-b321-c1ff268ac462" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_ReferenceRateMember_1075735d-f274-4267-8ecd-e238d9f84823" xlink:href="sabr-20250930.xsd#sabr_ReferenceRateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_de08e129-9e1a-4320-b475-c57040da6198" xlink:to="loc_sabr_ReferenceRateMember_1075735d-f274-4267-8ecd-e238d9f84823" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_DebtInstrumentInterestTypeAxis_4cd95124-a587-4b72-af56-bfa3d2219abf" xlink:href="sabr-20250930.xsd#sabr_DebtInstrumentInterestTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_28dacb5f-7348-43f5-84c7-ab219768a5a4" xlink:to="loc_sabr_DebtInstrumentInterestTypeAxis_4cd95124-a587-4b72-af56-bfa3d2219abf" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_DebtInstrumentInterestTypeDomain_4cd95124-a587-4b72-af56-bfa3d2219abf_default" xlink:href="sabr-20250930.xsd#sabr_DebtInstrumentInterestTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_sabr_DebtInstrumentInterestTypeAxis_4cd95124-a587-4b72-af56-bfa3d2219abf" xlink:to="loc_sabr_DebtInstrumentInterestTypeDomain_4cd95124-a587-4b72-af56-bfa3d2219abf_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_DebtInstrumentInterestTypeDomain_cec14a43-1b3c-49f8-a66b-bdc0b6099689" xlink:href="sabr-20250930.xsd#sabr_DebtInstrumentInterestTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_sabr_DebtInstrumentInterestTypeAxis_4cd95124-a587-4b72-af56-bfa3d2219abf" xlink:to="loc_sabr_DebtInstrumentInterestTypeDomain_cec14a43-1b3c-49f8-a66b-bdc0b6099689" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_InterestPaidInCashMember_90593a5a-6de9-4be6-b757-17dd784bd3cf" xlink:href="sabr-20250930.xsd#sabr_InterestPaidInCashMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_sabr_DebtInstrumentInterestTypeDomain_cec14a43-1b3c-49f8-a66b-bdc0b6099689" xlink:to="loc_sabr_InterestPaidInCashMember_90593a5a-6de9-4be6-b757-17dd784bd3cf" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_InterestPaidInKindPIKMember_c0aae472-5394-405c-b708-d9a91b1bd027" xlink:href="sabr-20250930.xsd#sabr_InterestPaidInKindPIKMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_sabr_DebtInstrumentInterestTypeDomain_cec14a43-1b3c-49f8-a66b-bdc0b6099689" xlink:to="loc_sabr_InterestPaidInKindPIKMember_c0aae472-5394-405c-b708-d9a91b1bd027" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_af3643f5-3bce-4b97-86a8-50911da3a242" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_28dacb5f-7348-43f5-84c7-ab219768a5a4" xlink:to="loc_srt_RangeAxis_af3643f5-3bce-4b97-86a8-50911da3a242" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_af3643f5-3bce-4b97-86a8-50911da3a242_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_af3643f5-3bce-4b97-86a8-50911da3a242" xlink:to="loc_srt_RangeMember_af3643f5-3bce-4b97-86a8-50911da3a242_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_0fe31ac8-3868-49d9-ac97-a86ed0754e49" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_af3643f5-3bce-4b97-86a8-50911da3a242" xlink:to="loc_srt_RangeMember_0fe31ac8-3868-49d9-ac97-a86ed0754e49" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_4c5b8668-886f-4415-86ef-69221ea5708c" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_0fe31ac8-3868-49d9-ac97-a86ed0754e49" xlink:to="loc_srt_MinimumMember_4c5b8668-886f-4415-86ef-69221ea5708c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_bda1685a-d8f5-4e73-9e4c-122d7fb10325" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_0fe31ac8-3868-49d9-ac97-a86ed0754e49" xlink:to="loc_srt_MaximumMember_bda1685a-d8f5-4e73-9e4c-122d7fb10325" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_d7205faa-caa1-4479-9dd0-c2487401aca9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_9310d506-4975-46ff-ad6d-ff0cab6202ae" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_d7205faa-caa1-4479-9dd0-c2487401aca9" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_fda302e6-7f69-490c-9e92-2842747085c6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_9310d506-4975-46ff-ad6d-ff0cab6202ae" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_fda302e6-7f69-490c-9e92-2842747085c6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_3312d1e5-999c-4343-a134-8a7a303e0a98" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_9310d506-4975-46ff-ad6d-ff0cab6202ae" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_3312d1e5-999c-4343-a134-8a7a303e0a98" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_5e062a45-ea0d-4920-9ee5-b78f1f8fb835" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_9310d506-4975-46ff-ad6d-ff0cab6202ae" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_5e062a45-ea0d-4920-9ee5-b78f1f8fb835" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtCurrent_f6e1bafb-a284-4372-9ffe-04369c836b0d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_9310d506-4975-46ff-ad6d-ff0cab6202ae" xlink:to="loc_us-gaap_LongTermDebtCurrent_f6e1bafb-a284-4372-9ffe-04369c836b0d" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_b2dc4884-9e38-49e5-8e49-1b98d17c8a4e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_9310d506-4975-46ff-ad6d-ff0cab6202ae" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_b2dc4884-9e38-49e5-8e49-1b98d17c8a4e" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityCommitmentFeePercentage_8852ffb4-6f6e-42d5-8294-6354faadf8ea" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LineOfCreditFacilityCommitmentFeePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_9310d506-4975-46ff-ad6d-ff0cab6202ae" xlink:to="loc_us-gaap_LineOfCreditFacilityCommitmentFeePercentage_8852ffb4-6f6e-42d5-8294-6354faadf8ea" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_LineOfCreditFacilityIncrementalIncreaseInCommitmentFeePercentage_8a5b9abc-462a-4d1b-b5cf-7fc08fa551a3" xlink:href="sabr-20250930.xsd#sabr_LineOfCreditFacilityIncrementalIncreaseInCommitmentFeePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_9310d506-4975-46ff-ad6d-ff0cab6202ae" xlink:to="loc_sabr_LineOfCreditFacilityIncrementalIncreaseInCommitmentFeePercentage_8a5b9abc-462a-4d1b-b5cf-7fc08fa551a3" xlink:type="arc" order="7"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.sabre.com/role/DebtSeniorSecuredCreditFacilitiesDetails" xlink:type="simple" xlink:href="sabr-20250930.xsd#DebtSeniorSecuredCreditFacilitiesDetails"/>
  <link:definitionLink xlink:role="http://www.sabre.com/role/DebtSeniorSecuredCreditFacilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_eee1d2d0-a3a1-44ca-b01e-8059ec389657" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_3a1d943c-99cf-49ca-8d9b-daa1af3b0b5a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_eee1d2d0-a3a1-44ca-b01e-8059ec389657" xlink:to="loc_us-gaap_DebtInstrumentTable_3a1d943c-99cf-49ca-8d9b-daa1af3b0b5a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_76aaa80c-059f-4aa1-b030-6dcd370cef73" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_3a1d943c-99cf-49ca-8d9b-daa1af3b0b5a" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_76aaa80c-059f-4aa1-b030-6dcd370cef73" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_76aaa80c-059f-4aa1-b030-6dcd370cef73_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_76aaa80c-059f-4aa1-b030-6dcd370cef73" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_76aaa80c-059f-4aa1-b030-6dcd370cef73_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_53c952d0-5fbd-43e6-ba7d-c18b3b11b200" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_76aaa80c-059f-4aa1-b030-6dcd370cef73" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_53c952d0-5fbd-43e6-ba7d-c18b3b11b200" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MediumTermNotesMember_00b7b3f6-0567-4fd7-a821-1bce68521455" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MediumTermNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_53c952d0-5fbd-43e6-ba7d-c18b3b11b200" xlink:to="loc_us-gaap_MediumTermNotesMember_00b7b3f6-0567-4fd7-a821-1bce68521455" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_f2e7d26f-14a7-422c-9b1c-a796d48f57aa" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_3a1d943c-99cf-49ca-8d9b-daa1af3b0b5a" xlink:to="loc_us-gaap_DebtInstrumentAxis_f2e7d26f-14a7-422c-9b1c-a796d48f57aa" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_f2e7d26f-14a7-422c-9b1c-a796d48f57aa_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_f2e7d26f-14a7-422c-9b1c-a796d48f57aa" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_f2e7d26f-14a7-422c-9b1c-a796d48f57aa_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_cdc32eed-4351-46f5-9658-6b2624734513" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_f2e7d26f-14a7-422c-9b1c-a796d48f57aa" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_cdc32eed-4351-46f5-9658-6b2624734513" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_TermLoanBMember_7fa2cf9b-0ca2-4f23-898b-293ac71271ba" xlink:href="sabr-20250930.xsd#sabr_TermLoanBMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_cdc32eed-4351-46f5-9658-6b2624734513" xlink:to="loc_sabr_TermLoanBMember_7fa2cf9b-0ca2-4f23-898b-293ac71271ba" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_A2024TermLoanB1Member_605ffda0-8a58-4b33-9664-594f55c93ca5" xlink:href="sabr-20250930.xsd#sabr_A2024TermLoanB1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_sabr_TermLoanBMember_7fa2cf9b-0ca2-4f23-898b-293ac71271ba" xlink:to="loc_sabr_A2024TermLoanB1Member_605ffda0-8a58-4b33-9664-594f55c93ca5" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_A2024TermLoanB2Member_e6972d0b-6f06-480b-92ca-2d384e62fd4e" xlink:href="sabr-20250930.xsd#sabr_A2024TermLoanB2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_sabr_TermLoanBMember_7fa2cf9b-0ca2-4f23-898b-293ac71271ba" xlink:to="loc_sabr_A2024TermLoanB2Member_e6972d0b-6f06-480b-92ca-2d384e62fd4e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_A2021TermLoanB22022TermLoanB12022TermLoanB2And2024TermLoanB1Member_95b30f1a-368b-4168-a16b-0bd3b1c2908c" xlink:href="sabr-20250930.xsd#sabr_A2021TermLoanB22022TermLoanB12022TermLoanB2And2024TermLoanB1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_cdc32eed-4351-46f5-9658-6b2624734513" xlink:to="loc_sabr_A2021TermLoanB22022TermLoanB12022TermLoanB2And2024TermLoanB1Member_95b30f1a-368b-4168-a16b-0bd3b1c2908c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_A2021TermLoanB2Member_73b498c0-0853-49e0-824c-0630760786be" xlink:href="sabr-20250930.xsd#sabr_A2021TermLoanB2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_sabr_A2021TermLoanB22022TermLoanB12022TermLoanB2And2024TermLoanB1Member_95b30f1a-368b-4168-a16b-0bd3b1c2908c" xlink:to="loc_sabr_A2021TermLoanB2Member_73b498c0-0853-49e0-824c-0630760786be" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_A2022TermLoanB1Member_53e138e8-a05d-4581-abbc-94e3c1f04280" xlink:href="sabr-20250930.xsd#sabr_A2022TermLoanB1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_sabr_A2021TermLoanB22022TermLoanB12022TermLoanB2And2024TermLoanB1Member_95b30f1a-368b-4168-a16b-0bd3b1c2908c" xlink:to="loc_sabr_A2022TermLoanB1Member_53e138e8-a05d-4581-abbc-94e3c1f04280" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_A2022TermLoanB2Member_73d108a8-a7e5-4237-9f15-c16a0970e038" xlink:href="sabr-20250930.xsd#sabr_A2022TermLoanB2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_sabr_A2021TermLoanB22022TermLoanB12022TermLoanB2And2024TermLoanB1Member_95b30f1a-368b-4168-a16b-0bd3b1c2908c" xlink:to="loc_sabr_A2022TermLoanB2Member_73d108a8-a7e5-4237-9f15-c16a0970e038" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SeniorSecuredCreditFacilitiesMember_e1f79fcc-35bc-40f6-9bcc-7cf8bc871258" xlink:href="sabr-20250930.xsd#sabr_SeniorSecuredCreditFacilitiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_cdc32eed-4351-46f5-9658-6b2624734513" xlink:to="loc_sabr_SeniorSecuredCreditFacilitiesMember_e1f79fcc-35bc-40f6-9bcc-7cf8bc871258" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateAxis_2d067bfd-6063-4d2c-9e53-7dd8c773f37c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_VariableRateAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_3a1d943c-99cf-49ca-8d9b-daa1af3b0b5a" xlink:to="loc_us-gaap_VariableRateAxis_2d067bfd-6063-4d2c-9e53-7dd8c773f37c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_2d067bfd-6063-4d2c-9e53-7dd8c773f37c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_2d067bfd-6063-4d2c-9e53-7dd8c773f37c" xlink:to="loc_us-gaap_VariableRateDomain_2d067bfd-6063-4d2c-9e53-7dd8c773f37c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_eff04188-acde-4a04-bd79-2f359a21a81a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_2d067bfd-6063-4d2c-9e53-7dd8c773f37c" xlink:to="loc_us-gaap_VariableRateDomain_eff04188-acde-4a04-bd79-2f359a21a81a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredOvernightFinancingRateSofrMember_706c9032-53ea-4500-a58c-1ff3cc44c68b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SecuredOvernightFinancingRateSofrMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_eff04188-acde-4a04-bd79-2f359a21a81a" xlink:to="loc_us-gaap_SecuredOvernightFinancingRateSofrMember_706c9032-53ea-4500-a58c-1ff3cc44c68b" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SecuredOvernightFinancingRateSOFRFloorMember_2077d9de-ef7c-4e37-a3e0-aceaf474ca90" xlink:href="sabr-20250930.xsd#sabr_SecuredOvernightFinancingRateSOFRFloorMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SecuredOvernightFinancingRateSofrMember_706c9032-53ea-4500-a58c-1ff3cc44c68b" xlink:to="loc_sabr_SecuredOvernightFinancingRateSOFRFloorMember_2077d9de-ef7c-4e37-a3e0-aceaf474ca90" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BaseRateMember_cdc70886-84be-439a-afe1-fc25c58c964d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BaseRateMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_eff04188-acde-4a04-bd79-2f359a21a81a" xlink:to="loc_us-gaap_BaseRateMember_cdc70886-84be-439a-afe1-fc25c58c964d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_BaseRateFloorMember_5f284c95-51bf-4a68-a12a-938420d15739" xlink:href="sabr-20250930.xsd#sabr_BaseRateFloorMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BaseRateMember_cdc70886-84be-439a-afe1-fc25c58c964d" xlink:to="loc_sabr_BaseRateFloorMember_5f284c95-51bf-4a68-a12a-938420d15739" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtConversionOriginalDebtAmount1_1657fdc7-8118-498f-a3b8-4db49cc11472" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtConversionOriginalDebtAmount1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_eee1d2d0-a3a1-44ca-b01e-8059ec389657" xlink:to="loc_us-gaap_DebtConversionOriginalDebtAmount1_1657fdc7-8118-498f-a3b8-4db49cc11472" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfDebt_65524f36-87ef-40a4-812a-e0b255007dbd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromIssuanceOfDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_eee1d2d0-a3a1-44ca-b01e-8059ec389657" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfDebt_65524f36-87ef-40a4-812a-e0b255007dbd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_e2aba33b-b307-40de-8140-eaa4fdf4c0ef" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_eee1d2d0-a3a1-44ca-b01e-8059ec389657" xlink:to="loc_us-gaap_LongTermDebt_e2aba33b-b307-40de-8140-eaa4fdf4c0ef" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFeeAmount_538f644c-742d-43cb-b52c-258e9b7c9bf0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentFeeAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_eee1d2d0-a3a1-44ca-b01e-8059ec389657" xlink:to="loc_us-gaap_DebtInstrumentFeeAmount_538f644c-742d-43cb-b52c-258e9b7c9bf0" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestPayableCurrentAndNoncurrent_32a64cb1-a018-47ae-a5ba-0704fc5d4586" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestPayableCurrentAndNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_eee1d2d0-a3a1-44ca-b01e-8059ec389657" xlink:to="loc_us-gaap_InterestPayableCurrentAndNoncurrent_32a64cb1-a018-47ae-a5ba-0704fc5d4586" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfFinancingCosts_8a4cd17d-de68-46b6-a1c2-6793541747e9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsOfFinancingCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_eee1d2d0-a3a1-44ca-b01e-8059ec389657" xlink:to="loc_us-gaap_PaymentsOfFinancingCosts_8a4cd17d-de68-46b6-a1c2-6793541747e9" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestPaidNet_64cb63b7-e24f-4cd4-b045-b25dc51666a5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestPaidNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_eee1d2d0-a3a1-44ca-b01e-8059ec389657" xlink:to="loc_us-gaap_InterestPaidNet_64cb63b7-e24f-4cd4-b045-b25dc51666a5" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDebtRestructuringCosts_e50a570c-3d18-42fb-b8aa-c08147764f60" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsOfDebtRestructuringCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_eee1d2d0-a3a1-44ca-b01e-8059ec389657" xlink:to="loc_us-gaap_PaymentsOfDebtRestructuringCosts_e50a570c-3d18-42fb-b8aa-c08147764f60" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_DebtInstrumentPrepaymentPremiumPercentage_950492a8-7e40-4152-9010-a8c1c9c593f8" xlink:href="sabr-20250930.xsd#sabr_DebtInstrumentPrepaymentPremiumPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_eee1d2d0-a3a1-44ca-b01e-8059ec389657" xlink:to="loc_sabr_DebtInstrumentPrepaymentPremiumPercentage_950492a8-7e40-4152-9010-a8c1c9c593f8" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_DebtInstrumentPrepaymentPremiumPeriod_322e18db-5fce-4669-a825-a6f1752cf70e" xlink:href="sabr-20250930.xsd#sabr_DebtInstrumentPrepaymentPremiumPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_eee1d2d0-a3a1-44ca-b01e-8059ec389657" xlink:to="loc_sabr_DebtInstrumentPrepaymentPremiumPeriod_322e18db-5fce-4669-a825-a6f1752cf70e" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_403e8246-f855-458b-b119-29ec4adc13f0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_eee1d2d0-a3a1-44ca-b01e-8059ec389657" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_403e8246-f855-458b-b119-29ec4adc13f0" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfDebt_c9159305-33b1-4648-be72-3ba56771d46c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RepaymentsOfDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_eee1d2d0-a3a1-44ca-b01e-8059ec389657" xlink:to="loc_us-gaap_RepaymentsOfDebt_c9159305-33b1-4648-be72-3ba56771d46c" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_64ab9bb0-f772-4fee-9553-b63d59c78684" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_eee1d2d0-a3a1-44ca-b01e-8059ec389657" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_64ab9bb0-f772-4fee-9553-b63d59c78684" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_DebtInstrumentRedemptionPeriod_3ae11ddf-e407-4b9c-84c5-fcf53ad687e5" xlink:href="sabr-20250930.xsd#sabr_DebtInstrumentRedemptionPeriod"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_eee1d2d0-a3a1-44ca-b01e-8059ec389657" xlink:to="loc_sabr_DebtInstrumentRedemptionPeriod_3ae11ddf-e407-4b9c-84c5-fcf53ad687e5" xlink:type="arc" order="13"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.sabre.com/role/DebtSeniorSecuredTermLoanDue2028Details" xlink:type="simple" xlink:href="sabr-20250930.xsd#DebtSeniorSecuredTermLoanDue2028Details"/>
  <link:definitionLink xlink:role="http://www.sabre.com/role/DebtSeniorSecuredTermLoanDue2028Details" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_799a8c44-3ab2-4748-a6d9-67cafdb3b034" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_246d125a-7475-46ae-92f9-628a92c405f0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_799a8c44-3ab2-4748-a6d9-67cafdb3b034" xlink:to="loc_us-gaap_DebtInstrumentTable_246d125a-7475-46ae-92f9-628a92c405f0" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_8a71aa7f-5cbd-48ca-8071-c83fef10faf0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_246d125a-7475-46ae-92f9-628a92c405f0" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_8a71aa7f-5cbd-48ca-8071-c83fef10faf0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_8a71aa7f-5cbd-48ca-8071-c83fef10faf0_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_8a71aa7f-5cbd-48ca-8071-c83fef10faf0" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_8a71aa7f-5cbd-48ca-8071-c83fef10faf0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_f2b6f396-8c3c-4c65-899f-5365ff363843" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_8a71aa7f-5cbd-48ca-8071-c83fef10faf0" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_f2b6f396-8c3c-4c65-899f-5365ff363843" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MediumTermNotesMember_700d4103-418b-447d-ba1b-d53f914b2225" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MediumTermNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_f2b6f396-8c3c-4c65-899f-5365ff363843" xlink:to="loc_us-gaap_MediumTermNotesMember_700d4103-418b-447d-ba1b-d53f914b2225" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredDebtMember_efa9ea72-f0a8-4e9b-bb10-42e299209c27" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SecuredDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_f2b6f396-8c3c-4c65-899f-5365ff363843" xlink:to="loc_us-gaap_SecuredDebtMember_efa9ea72-f0a8-4e9b-bb10-42e299209c27" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_895174b8-405e-4684-a99d-c56b56005998" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_246d125a-7475-46ae-92f9-628a92c405f0" xlink:to="loc_us-gaap_DebtInstrumentAxis_895174b8-405e-4684-a99d-c56b56005998" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_895174b8-405e-4684-a99d-c56b56005998_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_895174b8-405e-4684-a99d-c56b56005998" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_895174b8-405e-4684-a99d-c56b56005998_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_223d82d5-f656-4226-8697-d9d497a8139b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_895174b8-405e-4684-a99d-c56b56005998" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_223d82d5-f656-4226-8697-d9d497a8139b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SeniorSecuredTermLoanFacilityDue2028Member_43f8eaff-ef9c-4075-85a3-58d3208114b3" xlink:href="sabr-20250930.xsd#sabr_SeniorSecuredTermLoanFacilityDue2028Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_223d82d5-f656-4226-8697-d9d497a8139b" xlink:to="loc_sabr_SeniorSecuredTermLoanFacilityDue2028Member_43f8eaff-ef9c-4075-85a3-58d3208114b3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_DebtInstrumentInterestTypeAxis_8b591358-4c4e-4a7a-882b-51d96d53f363" xlink:href="sabr-20250930.xsd#sabr_DebtInstrumentInterestTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_246d125a-7475-46ae-92f9-628a92c405f0" xlink:to="loc_sabr_DebtInstrumentInterestTypeAxis_8b591358-4c4e-4a7a-882b-51d96d53f363" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_DebtInstrumentInterestTypeDomain_8b591358-4c4e-4a7a-882b-51d96d53f363_default" xlink:href="sabr-20250930.xsd#sabr_DebtInstrumentInterestTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_sabr_DebtInstrumentInterestTypeAxis_8b591358-4c4e-4a7a-882b-51d96d53f363" xlink:to="loc_sabr_DebtInstrumentInterestTypeDomain_8b591358-4c4e-4a7a-882b-51d96d53f363_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_DebtInstrumentInterestTypeDomain_b054f495-a3d9-42ef-a810-2923175ead4f" xlink:href="sabr-20250930.xsd#sabr_DebtInstrumentInterestTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_sabr_DebtInstrumentInterestTypeAxis_8b591358-4c4e-4a7a-882b-51d96d53f363" xlink:to="loc_sabr_DebtInstrumentInterestTypeDomain_b054f495-a3d9-42ef-a810-2923175ead4f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_InterestPaidInCashMember_a25cc265-b613-4d3f-9425-1a960a011bfe" xlink:href="sabr-20250930.xsd#sabr_InterestPaidInCashMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_sabr_DebtInstrumentInterestTypeDomain_b054f495-a3d9-42ef-a810-2923175ead4f" xlink:to="loc_sabr_InterestPaidInCashMember_a25cc265-b613-4d3f-9425-1a960a011bfe" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_InterestPaidInKindPIKMember_62b7dcfb-1ff7-4582-b291-3c71aa0d47d7" xlink:href="sabr-20250930.xsd#sabr_InterestPaidInKindPIKMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_sabr_DebtInstrumentInterestTypeDomain_b054f495-a3d9-42ef-a810-2923175ead4f" xlink:to="loc_sabr_InterestPaidInKindPIKMember_62b7dcfb-1ff7-4582-b291-3c71aa0d47d7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_b6fc3f5a-df7c-4b1e-84cd-d5a688cd1653" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_246d125a-7475-46ae-92f9-628a92c405f0" xlink:to="loc_srt_RangeAxis_b6fc3f5a-df7c-4b1e-84cd-d5a688cd1653" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_b6fc3f5a-df7c-4b1e-84cd-d5a688cd1653_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_b6fc3f5a-df7c-4b1e-84cd-d5a688cd1653" xlink:to="loc_srt_RangeMember_b6fc3f5a-df7c-4b1e-84cd-d5a688cd1653_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_bd3475a3-9f0b-4fec-993f-1a1bb702c6f3" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_b6fc3f5a-df7c-4b1e-84cd-d5a688cd1653" xlink:to="loc_srt_RangeMember_bd3475a3-9f0b-4fec-993f-1a1bb702c6f3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_00010182-7e9c-4099-bb78-0a59ba492374" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_MinimumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_bd3475a3-9f0b-4fec-993f-1a1bb702c6f3" xlink:to="loc_srt_MinimumMember_00010182-7e9c-4099-bb78-0a59ba492374" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_e619a427-238b-4a9c-b7a0-92fc40a89498" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_bd3475a3-9f0b-4fec-993f-1a1bb702c6f3" xlink:to="loc_srt_MaximumMember_e619a427-238b-4a9c-b7a0-92fc40a89498" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_DebtInstrumentPrepaymentPremiumPercentageOfInterestMargin_d5b078cd-bed9-423d-b4cf-633a18bfaf11" xlink:href="sabr-20250930.xsd#sabr_DebtInstrumentPrepaymentPremiumPercentageOfInterestMargin"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_799a8c44-3ab2-4748-a6d9-67cafdb3b034" xlink:to="loc_sabr_DebtInstrumentPrepaymentPremiumPercentageOfInterestMargin_d5b078cd-bed9-423d-b4cf-633a18bfaf11" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_DebtInstrumentVariableInterestRateTradingDaysThresholdTriggeringTranche_6ca48185-5f49-4959-9853-c1961c99ef38" xlink:href="sabr-20250930.xsd#sabr_DebtInstrumentVariableInterestRateTradingDaysThresholdTriggeringTranche"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_799a8c44-3ab2-4748-a6d9-67cafdb3b034" xlink:to="loc_sabr_DebtInstrumentVariableInterestRateTradingDaysThresholdTriggeringTranche_6ca48185-5f49-4959-9853-c1961c99ef38" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_7e34e2bb-8c9f-4934-9dbe-d26ed42e1bfa" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_799a8c44-3ab2-4748-a6d9-67cafdb3b034" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_7e34e2bb-8c9f-4934-9dbe-d26ed42e1bfa" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_0ceaf0bf-6be8-4f58-8582-18166408b8d2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_799a8c44-3ab2-4748-a6d9-67cafdb3b034" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_0ceaf0bf-6be8-4f58-8582-18166408b8d2" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestCostsCapitalized_c639a012-6d9a-4b5a-b2b3-a7e83b72b053" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestCostsCapitalized"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_799a8c44-3ab2-4748-a6d9-67cafdb3b034" xlink:to="loc_us-gaap_InterestCostsCapitalized_c639a012-6d9a-4b5a-b2b3-a7e83b72b053" xlink:type="arc" order="4"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.sabre.com/role/DebtSeniorSecuredNotesDetails" xlink:type="simple" xlink:href="sabr-20250930.xsd#DebtSeniorSecuredNotesDetails"/>
  <link:definitionLink xlink:role="http://www.sabre.com/role/DebtSeniorSecuredNotesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_2354bffe-7856-4e0f-b5a6-70f8a4a413a1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_fa73364f-50e6-46f9-99e4-e51f37b3f30e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2354bffe-7856-4e0f-b5a6-70f8a4a413a1" xlink:to="loc_us-gaap_DebtInstrumentTable_fa73364f-50e6-46f9-99e4-e51f37b3f30e" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_567d62a5-4b20-42a2-8dc3-016a6f195d90" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_fa73364f-50e6-46f9-99e4-e51f37b3f30e" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_567d62a5-4b20-42a2-8dc3-016a6f195d90" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_567d62a5-4b20-42a2-8dc3-016a6f195d90_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_567d62a5-4b20-42a2-8dc3-016a6f195d90" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_567d62a5-4b20-42a2-8dc3-016a6f195d90_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_4cf8c750-257f-4a3e-af02-1db3395a4a09" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_567d62a5-4b20-42a2-8dc3-016a6f195d90" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_4cf8c750-257f-4a3e-af02-1db3395a4a09" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SeniorSecuredNotesMember_a3a3c9cc-d409-47a9-a118-bc406ef7905e" xlink:href="sabr-20250930.xsd#sabr_SeniorSecuredNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_4cf8c750-257f-4a3e-af02-1db3395a4a09" xlink:to="loc_sabr_SeniorSecuredNotesMember_a3a3c9cc-d409-47a9-a118-bc406ef7905e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_d6f73501-785b-4ff5-bb8a-34e92abc903a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_fa73364f-50e6-46f9-99e4-e51f37b3f30e" xlink:to="loc_us-gaap_DebtInstrumentAxis_d6f73501-785b-4ff5-bb8a-34e92abc903a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_d6f73501-785b-4ff5-bb8a-34e92abc903a_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_d6f73501-785b-4ff5-bb8a-34e92abc903a" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_d6f73501-785b-4ff5-bb8a-34e92abc903a_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_380229da-18f5-4f4c-a700-9942a052a6fd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_d6f73501-785b-4ff5-bb8a-34e92abc903a" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_380229da-18f5-4f4c-a700-9942a052a6fd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SeniorSecuredNotes7375Due2025Member_80744359-278b-4c81-af04-c5e5188dec5d" xlink:href="sabr-20250930.xsd#sabr_SeniorSecuredNotes7375Due2025Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_380229da-18f5-4f4c-a700-9942a052a6fd" xlink:to="loc_sabr_SeniorSecuredNotes7375Due2025Member_80744359-278b-4c81-af04-c5e5188dec5d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SeniorSecuredNotes925Due2025Member_89d2f74b-b1b1-4d51-8970-ded766283836" xlink:href="sabr-20250930.xsd#sabr_SeniorSecuredNotes925Due2025Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_380229da-18f5-4f4c-a700-9942a052a6fd" xlink:to="loc_sabr_SeniorSecuredNotes925Due2025Member_89d2f74b-b1b1-4d51-8970-ded766283836" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SeniorSecuredNotes8.625Due2027AndSeniorSecuredNotes8.625Due2027Member_ab93d2e0-dac0-488b-87e2-ce16824a3ce2" xlink:href="sabr-20250930.xsd#sabr_SeniorSecuredNotes8.625Due2027AndSeniorSecuredNotes8.625Due2027Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_380229da-18f5-4f4c-a700-9942a052a6fd" xlink:to="loc_sabr_SeniorSecuredNotes8.625Due2027AndSeniorSecuredNotes8.625Due2027Member_ab93d2e0-dac0-488b-87e2-ce16824a3ce2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SeniorSecuredNotes8625Due2027Member_d67a5827-f92a-42b5-b6f7-17a5bb7b5f7b" xlink:href="sabr-20250930.xsd#sabr_SeniorSecuredNotes8625Due2027Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_sabr_SeniorSecuredNotes8.625Due2027AndSeniorSecuredNotes8.625Due2027Member_ab93d2e0-dac0-488b-87e2-ce16824a3ce2" xlink:to="loc_sabr_SeniorSecuredNotes8625Due2027Member_d67a5827-f92a-42b5-b6f7-17a5bb7b5f7b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SeniorSecuredTermLoanFacilityDue2028Member_c0c45ea1-6e8a-47d2-a5b2-e8c828809f62" xlink:href="sabr-20250930.xsd#sabr_SeniorSecuredTermLoanFacilityDue2028Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_sabr_SeniorSecuredNotes8.625Due2027AndSeniorSecuredNotes8.625Due2027Member_ab93d2e0-dac0-488b-87e2-ce16824a3ce2" xlink:to="loc_sabr_SeniorSecuredTermLoanFacilityDue2028Member_c0c45ea1-6e8a-47d2-a5b2-e8c828809f62" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SeniorSecuredNotes1125Due2027Member_1f671a66-4066-4f09-af6d-6e9389ff81f0" xlink:href="sabr-20250930.xsd#sabr_SeniorSecuredNotes1125Due2027Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_380229da-18f5-4f4c-a700-9942a052a6fd" xlink:to="loc_sabr_SeniorSecuredNotes1125Due2027Member_1f671a66-4066-4f09-af6d-6e9389ff81f0" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SeniorSecuredNotes10.75Due2029Member_767852c6-d8c7-453b-9971-2182692445fb" xlink:href="sabr-20250930.xsd#sabr_SeniorSecuredNotes10.75Due2029Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_380229da-18f5-4f4c-a700-9942a052a6fd" xlink:to="loc_sabr_SeniorSecuredNotes10.75Due2029Member_767852c6-d8c7-453b-9971-2182692445fb" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SeniorSecuredNotes11.125Due2030Member_2ef2b884-d396-4b5b-88d3-999d240c6a12" xlink:href="sabr-20250930.xsd#sabr_SeniorSecuredNotes11.125Due2030Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_380229da-18f5-4f4c-a700-9942a052a6fd" xlink:to="loc_sabr_SeniorSecuredNotes11.125Due2030Member_2ef2b884-d396-4b5b-88d3-999d240c6a12" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtConversionOriginalDebtAmount1_0b44d9ec-0052-4383-983a-81d73fdb305f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtConversionOriginalDebtAmount1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2354bffe-7856-4e0f-b5a6-70f8a4a413a1" xlink:to="loc_us-gaap_DebtConversionOriginalDebtAmount1_0b44d9ec-0052-4383-983a-81d73fdb305f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_c11571cb-fbd5-49ad-8220-3622c8436ad6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2354bffe-7856-4e0f-b5a6-70f8a4a413a1" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_c11571cb-fbd5-49ad-8220-3622c8436ad6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_e8b31036-75c5-417d-9469-fc223c66945d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2354bffe-7856-4e0f-b5a6-70f8a4a413a1" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_e8b31036-75c5-417d-9469-fc223c66945d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_DebtInstrumentExchangeFeesAmount_2d65d364-2281-4b71-8b1f-e988c701b73a" xlink:href="sabr-20250930.xsd#sabr_DebtInstrumentExchangeFeesAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2354bffe-7856-4e0f-b5a6-70f8a4a413a1" xlink:to="loc_sabr_DebtInstrumentExchangeFeesAmount_2d65d364-2281-4b71-8b1f-e988c701b73a" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFeeAmount_2fde254e-3abd-400d-b58d-a56603e11c5a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentFeeAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2354bffe-7856-4e0f-b5a6-70f8a4a413a1" xlink:to="loc_us-gaap_DebtInstrumentFeeAmount_2fde254e-3abd-400d-b58d-a56603e11c5a" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_0a626ca1-8ce1-47e0-a479-130a1c0fad21" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2354bffe-7856-4e0f-b5a6-70f8a4a413a1" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_0a626ca1-8ce1-47e0-a479-130a1c0fad21" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestPayableCurrentAndNoncurrent_a0555d42-d904-43a6-9f04-32b1bf1c12e5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestPayableCurrentAndNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2354bffe-7856-4e0f-b5a6-70f8a4a413a1" xlink:to="loc_us-gaap_InterestPayableCurrentAndNoncurrent_a0555d42-d904-43a6-9f04-32b1bf1c12e5" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDebtRestructuringCosts_560241fd-3c77-4456-9b98-0e2cc1e710aa" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsOfDebtRestructuringCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2354bffe-7856-4e0f-b5a6-70f8a4a413a1" xlink:to="loc_us-gaap_PaymentsOfDebtRestructuringCosts_560241fd-3c77-4456-9b98-0e2cc1e710aa" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfDebt_d2655908-81cb-429f-b43e-71749e325b3b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RepaymentsOfDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2354bffe-7856-4e0f-b5a6-70f8a4a413a1" xlink:to="loc_us-gaap_RepaymentsOfDebt_d2655908-81cb-429f-b43e-71749e325b3b" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRepurchasedFaceAmount_4a8d21ec-4dd3-422b-aa99-9621e2066dde" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentRepurchasedFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2354bffe-7856-4e0f-b5a6-70f8a4a413a1" xlink:to="loc_us-gaap_DebtInstrumentRepurchasedFaceAmount_4a8d21ec-4dd3-422b-aa99-9621e2066dde" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentIncreaseDecreaseForPeriodNet_7c677f2a-bb6b-4ba6-a2de-3168eee94020" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentIncreaseDecreaseForPeriodNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2354bffe-7856-4e0f-b5a6-70f8a4a413a1" xlink:to="loc_us-gaap_DebtInstrumentIncreaseDecreaseForPeriodNet_7c677f2a-bb6b-4ba6-a2de-3168eee94020" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsNet_17c0748e-8662-448a-a934-4c557b01b1c9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DeferredFinanceCostsNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_2354bffe-7856-4e0f-b5a6-70f8a4a413a1" xlink:to="loc_us-gaap_DeferredFinanceCostsNet_17c0748e-8662-448a-a934-4c557b01b1c9" xlink:type="arc" order="11"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.sabre.com/role/DebtSecuritizationFacilityDetails" xlink:type="simple" xlink:href="sabr-20250930.xsd#DebtSecuritizationFacilityDetails"/>
  <link:definitionLink xlink:role="http://www.sabre.com/role/DebtSecuritizationFacilityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_e5cdceeb-40a7-42eb-804e-723849dde9bd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_2621a482-b8ff-4beb-8361-2002815875f6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e5cdceeb-40a7-42eb-804e-723849dde9bd" xlink:to="loc_us-gaap_DebtInstrumentTable_2621a482-b8ff-4beb-8361-2002815875f6" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_2b5b8c25-527a-48e6-ad61-d8036e647441" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_2621a482-b8ff-4beb-8361-2002815875f6" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_2b5b8c25-527a-48e6-ad61-d8036e647441" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_2b5b8c25-527a-48e6-ad61-d8036e647441_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_2b5b8c25-527a-48e6-ad61-d8036e647441" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_2b5b8c25-527a-48e6-ad61-d8036e647441_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_aac8877f-1769-4bd4-b628-6ed0a363a980" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_2b5b8c25-527a-48e6-ad61-d8036e647441" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_aac8877f-1769-4bd4-b628-6ed0a363a980" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditMember_ccb74ea4-8d0e-4ec4-952c-0311f805b0fb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LineOfCreditMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_aac8877f-1769-4bd4-b628-6ed0a363a980" xlink:to="loc_us-gaap_LineOfCreditMember_ccb74ea4-8d0e-4ec4-952c-0311f805b0fb" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_a9d16dc2-3695-43d2-874e-b5d0d4fa5963" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_2621a482-b8ff-4beb-8361-2002815875f6" xlink:to="loc_us-gaap_DebtInstrumentAxis_a9d16dc2-3695-43d2-874e-b5d0d4fa5963" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_a9d16dc2-3695-43d2-874e-b5d0d4fa5963_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_a9d16dc2-3695-43d2-874e-b5d0d4fa5963" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_a9d16dc2-3695-43d2-874e-b5d0d4fa5963_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_525dd86f-825f-44fd-ae1f-37e330bf92ab" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_a9d16dc2-3695-43d2-874e-b5d0d4fa5963" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_525dd86f-825f-44fd-ae1f-37e330bf92ab" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SecuritizationFacilityMember_096d3cd9-7fb2-4c96-a142-07eb1d7af955" xlink:href="sabr-20250930.xsd#sabr_SecuritizationFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_525dd86f-825f-44fd-ae1f-37e330bf92ab" xlink:to="loc_sabr_SecuritizationFacilityMember_096d3cd9-7fb2-4c96-a142-07eb1d7af955" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis_a44e65e5-cb25-4a7b-93f0-30d4c2aca69b" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_LegalEntityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_2621a482-b8ff-4beb-8361-2002815875f6" xlink:to="loc_dei_LegalEntityAxis_a44e65e5-cb25-4a7b-93f0-30d4c2aca69b" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_a44e65e5-cb25-4a7b-93f0-30d4c2aca69b_default" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_a44e65e5-cb25-4a7b-93f0-30d4c2aca69b" xlink:to="loc_dei_EntityDomain_a44e65e5-cb25-4a7b-93f0-30d4c2aca69b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain_307ed498-42d1-4982-8e5d-dfcd86183ce4" xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_a44e65e5-cb25-4a7b-93f0-30d4c2aca69b" xlink:to="loc_dei_EntityDomain_307ed498-42d1-4982-8e5d-dfcd86183ce4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SabreSecuritizationLLCMember_b2b08500-bde7-4fca-be0c-59b001b803ea" xlink:href="sabr-20250930.xsd#sabr_SabreSecuritizationLLCMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_307ed498-42d1-4982-8e5d-dfcd86183ce4" xlink:to="loc_sabr_SabreSecuritizationLLCMember_b2b08500-bde7-4fca-be0c-59b001b803ea" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_950699a6-7540-4d9b-9433-bc698f5082b0" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RangeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_2621a482-b8ff-4beb-8361-2002815875f6" xlink:to="loc_srt_RangeAxis_950699a6-7540-4d9b-9433-bc698f5082b0" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_950699a6-7540-4d9b-9433-bc698f5082b0_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_RangeAxis_950699a6-7540-4d9b-9433-bc698f5082b0" xlink:to="loc_srt_RangeMember_950699a6-7540-4d9b-9433-bc698f5082b0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_ffe75cd5-b65b-4ad2-9a73-a8c4160688ad" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_RangeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_RangeAxis_950699a6-7540-4d9b-9433-bc698f5082b0" xlink:to="loc_srt_RangeMember_ffe75cd5-b65b-4ad2-9a73-a8c4160688ad" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_5be7fbef-c827-45f5-8428-366ae22fb68d" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_MaximumMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_RangeMember_ffe75cd5-b65b-4ad2-9a73-a8c4160688ad" xlink:to="loc_srt_MaximumMember_5be7fbef-c827-45f5-8428-366ae22fb68d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_2c59023c-ff7d-4a46-8817-781f4d69f665" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CreditFacilityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_2621a482-b8ff-4beb-8361-2002815875f6" xlink:to="loc_us-gaap_CreditFacilityAxis_2c59023c-ff7d-4a46-8817-781f4d69f665" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_2c59023c-ff7d-4a46-8817-781f4d69f665_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_2c59023c-ff7d-4a46-8817-781f4d69f665" xlink:to="loc_us-gaap_CreditFacilityDomain_2c59023c-ff7d-4a46-8817-781f4d69f665_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_31bacb6b-e7e1-4994-ac9c-e471c7e7dc77" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CreditFacilityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_2c59023c-ff7d-4a46-8817-781f4d69f665" xlink:to="loc_us-gaap_CreditFacilityDomain_31bacb6b-e7e1-4994-ac9c-e471c7e7dc77" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_TermLoanMember_3cb672c1-7c7d-4756-b58f-a83e1805890c" xlink:href="sabr-20250930.xsd#sabr_TermLoanMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_31bacb6b-e7e1-4994-ac9c-e471c7e7dc77" xlink:to="loc_sabr_TermLoanMember_3cb672c1-7c7d-4756-b58f-a83e1805890c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_6c20149d-12d9-4716-90fd-41d3057b60ff" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_31bacb6b-e7e1-4994-ac9c-e471c7e7dc77" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_6c20149d-12d9-4716-90fd-41d3057b60ff" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateAxis_2ffd411b-83bc-484d-b640-32b7301c5e3e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_VariableRateAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_2621a482-b8ff-4beb-8361-2002815875f6" xlink:to="loc_us-gaap_VariableRateAxis_2ffd411b-83bc-484d-b640-32b7301c5e3e" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_2ffd411b-83bc-484d-b640-32b7301c5e3e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_2ffd411b-83bc-484d-b640-32b7301c5e3e" xlink:to="loc_us-gaap_VariableRateDomain_2ffd411b-83bc-484d-b640-32b7301c5e3e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableRateDomain_d2d5ef95-c331-4828-9f4d-89f5325f8afe" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_VariableRateDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_2ffd411b-83bc-484d-b640-32b7301c5e3e" xlink:to="loc_us-gaap_VariableRateDomain_d2d5ef95-c331-4828-9f4d-89f5325f8afe" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredOvernightFinancingRateSofrMember_61f626d0-840d-43ef-8675-27269f6394ef" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SecuredOvernightFinancingRateSofrMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_d2d5ef95-c331-4828-9f4d-89f5325f8afe" xlink:to="loc_us-gaap_SecuredOvernightFinancingRateSofrMember_61f626d0-840d-43ef-8675-27269f6394ef" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SecuredOvernightFinancingRateSOFRFloorMember_62aa4f0b-7458-4f0d-8296-fe7501bfcd80" xlink:href="sabr-20250930.xsd#sabr_SecuredOvernightFinancingRateSOFRFloorMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SecuredOvernightFinancingRateSofrMember_61f626d0-840d-43ef-8675-27269f6394ef" xlink:to="loc_sabr_SecuredOvernightFinancingRateSOFRFloorMember_62aa4f0b-7458-4f0d-8296-fe7501bfcd80" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SecuredOvernightFinancingRateSOFRAdjustmentMember_99fb816c-ae79-4ad2-b928-c0217094ea25" xlink:href="sabr-20250930.xsd#sabr_SecuredOvernightFinancingRateSOFRAdjustmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SecuredOvernightFinancingRateSofrMember_61f626d0-840d-43ef-8675-27269f6394ef" xlink:to="loc_sabr_SecuredOvernightFinancingRateSOFRAdjustmentMember_99fb816c-ae79-4ad2-b928-c0217094ea25" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_d8f02a83-4501-41d5-b636-d9a52aa5a63f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BalanceSheetLocationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_2621a482-b8ff-4beb-8361-2002815875f6" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_d8f02a83-4501-41d5-b636-d9a52aa5a63f" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_d8f02a83-4501-41d5-b636-d9a52aa5a63f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BalanceSheetLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_d8f02a83-4501-41d5-b636-d9a52aa5a63f" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_d8f02a83-4501-41d5-b636-d9a52aa5a63f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_71a17358-3ae5-4e30-b879-14290c806921" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BalanceSheetLocationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_d8f02a83-4501-41d5-b636-d9a52aa5a63f" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_71a17358-3ae5-4e30-b879-14290c806921" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableMember_d67d9fc8-5b00-4007-b88f-a11c1276f9b0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccountsReceivableMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_71a17358-3ae5-4e30-b879-14290c806921" xlink:to="loc_us-gaap_AccountsReceivableMember_d67d9fc8-5b00-4007-b88f-a11c1276f9b0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncurrentAssetsMember_ea035d00-6536-4d5d-b6fa-50b3e1d7c1f4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherNoncurrentAssetsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_71a17358-3ae5-4e30-b879-14290c806921" xlink:to="loc_us-gaap_OtherNoncurrentAssetsMember_ea035d00-6536-4d5d-b6fa-50b3e1d7c1f4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTerm_7af55640-6b9b-4857-b311-87486ba23448" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentTerm"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e5cdceeb-40a7-42eb-804e-723849dde9bd" xlink:to="loc_us-gaap_DebtInstrumentTerm_7af55640-6b9b-4857-b311-87486ba23448" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_ca9dda7e-d27f-4144-852a-b255c64bccbe" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e5cdceeb-40a7-42eb-804e-723849dde9bd" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_ca9dda7e-d27f-4144-852a-b255c64bccbe" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfDebt_07aab8bc-52a3-4700-af4d-cb51fef5c2e8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromIssuanceOfDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e5cdceeb-40a7-42eb-804e-723849dde9bd" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfDebt_07aab8bc-52a3-4700-af4d-cb51fef5c2e8" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfFinancingCosts_38d67b18-b2dc-47a4-a78b-08165b8a2c29" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsOfFinancingCosts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e5cdceeb-40a7-42eb-804e-723849dde9bd" xlink:to="loc_us-gaap_PaymentsOfFinancingCosts_38d67b18-b2dc-47a4-a78b-08165b8a2c29" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFeeAmount_dd46f392-2065-49c2-a359-81ef75f8a884" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentFeeAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e5cdceeb-40a7-42eb-804e-723849dde9bd" xlink:to="loc_us-gaap_DebtInstrumentFeeAmount_dd46f392-2065-49c2-a359-81ef75f8a884" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLongTermLinesOfCredit_35952c29-981f-4f28-af71-1c2985aaf3a9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RepaymentsOfLongTermLinesOfCredit"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e5cdceeb-40a7-42eb-804e-723849dde9bd" xlink:to="loc_us-gaap_RepaymentsOfLongTermLinesOfCredit_35952c29-981f-4f28-af71-1c2985aaf3a9" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_9982ccf8-db85-441c-9581-bd255841f429" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e5cdceeb-40a7-42eb-804e-723849dde9bd" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_9982ccf8-db85-441c-9581-bd255841f429" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityCommitmentFeePercentage_ab296750-450a-4aab-b289-d6a5151f4ef0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LineOfCreditFacilityCommitmentFeePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e5cdceeb-40a7-42eb-804e-723849dde9bd" xlink:to="loc_us-gaap_LineOfCreditFacilityCommitmentFeePercentage_ab296750-450a-4aab-b289-d6a5151f4ef0" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_659f918e-9d56-41ba-9551-300a670f1746" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e5cdceeb-40a7-42eb-804e-723849dde9bd" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_659f918e-9d56-41ba-9551-300a670f1746" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscount_88925a2e-a097-4f93-8458-31a2e2c19c5f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentUnamortizedDiscount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e5cdceeb-40a7-42eb-804e-723849dde9bd" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscount_88925a2e-a097-4f93-8458-31a2e2c19c5f" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCollateralAmount_5763a722-4376-4478-9b5f-9e1fc3ddca65" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentCollateralAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_e5cdceeb-40a7-42eb-804e-723849dde9bd" xlink:to="loc_us-gaap_DebtInstrumentCollateralAmount_5763a722-4376-4478-9b5f-9e1fc3ddca65" xlink:type="arc" order="10"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.sabre.com/role/DebtExchangeableNotesDetails" xlink:type="simple" xlink:href="sabr-20250930.xsd#DebtExchangeableNotesDetails"/>
  <link:definitionLink xlink:role="http://www.sabre.com/role/DebtExchangeableNotesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_94ef0ef0-c6c3-4d64-8417-348b99c79163" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_9505b22c-b846-4045-ac61-6ba7c6817e24" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_94ef0ef0-c6c3-4d64-8417-348b99c79163" xlink:to="loc_us-gaap_DebtInstrumentTable_9505b22c-b846-4045-ac61-6ba7c6817e24" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_e6c76beb-a339-4d99-90ee-8d4cb561dba1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_9505b22c-b846-4045-ac61-6ba7c6817e24" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_e6c76beb-a339-4d99-90ee-8d4cb561dba1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_e6c76beb-a339-4d99-90ee-8d4cb561dba1_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_e6c76beb-a339-4d99-90ee-8d4cb561dba1" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_e6c76beb-a339-4d99-90ee-8d4cb561dba1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_afc5071d-e526-41b1-9b40-1f7def16d0cf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_e6c76beb-a339-4d99-90ee-8d4cb561dba1" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_afc5071d-e526-41b1-9b40-1f7def16d0cf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertibleDebtMember_f73bce44-e054-4f86-8459-7b86cd51c229" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ConvertibleDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_afc5071d-e526-41b1-9b40-1f7def16d0cf" xlink:to="loc_us-gaap_ConvertibleDebtMember_f73bce44-e054-4f86-8459-7b86cd51c229" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SeniorSecuredNotesMember_932bc195-4abf-4123-a2fa-b7a137499ece" xlink:href="sabr-20250930.xsd#sabr_SeniorSecuredNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_afc5071d-e526-41b1-9b40-1f7def16d0cf" xlink:to="loc_sabr_SeniorSecuredNotesMember_932bc195-4abf-4123-a2fa-b7a137499ece" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_e8cfaad6-d25b-4ea9-84e0-3e7cd69e8f0b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_9505b22c-b846-4045-ac61-6ba7c6817e24" xlink:to="loc_us-gaap_DebtInstrumentAxis_e8cfaad6-d25b-4ea9-84e0-3e7cd69e8f0b" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_e8cfaad6-d25b-4ea9-84e0-3e7cd69e8f0b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_e8cfaad6-d25b-4ea9-84e0-3e7cd69e8f0b" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_e8cfaad6-d25b-4ea9-84e0-3e7cd69e8f0b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_c4db89b8-7c01-4a27-a154-1beddbf3d2dd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_e8cfaad6-d25b-4ea9-84e0-3e7cd69e8f0b" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_c4db89b8-7c01-4a27-a154-1beddbf3d2dd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SeniorExchangeableNotes4.00Due2025AndSeniorExchangeableNotes7.32Due2026Member_80e3c850-3921-4742-96be-48e2871d4068" xlink:href="sabr-20250930.xsd#sabr_SeniorExchangeableNotes4.00Due2025AndSeniorExchangeableNotes7.32Due2026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_c4db89b8-7c01-4a27-a154-1beddbf3d2dd" xlink:to="loc_sabr_SeniorExchangeableNotes4.00Due2025AndSeniorExchangeableNotes7.32Due2026Member_80e3c850-3921-4742-96be-48e2871d4068" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SeniorExchangeableNotes400Due2025Member_9ed2466c-125a-4760-ac2c-9be64032652d" xlink:href="sabr-20250930.xsd#sabr_SeniorExchangeableNotes400Due2025Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_sabr_SeniorExchangeableNotes4.00Due2025AndSeniorExchangeableNotes7.32Due2026Member_80e3c850-3921-4742-96be-48e2871d4068" xlink:to="loc_sabr_SeniorExchangeableNotes400Due2025Member_9ed2466c-125a-4760-ac2c-9be64032652d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SeniorExchangeableNotes7.32Due2026Member_5d164396-8d4e-40b0-a3d3-785ee4e78078" xlink:href="sabr-20250930.xsd#sabr_SeniorExchangeableNotes7.32Due2026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_sabr_SeniorExchangeableNotes4.00Due2025AndSeniorExchangeableNotes7.32Due2026Member_80e3c850-3921-4742-96be-48e2871d4068" xlink:to="loc_sabr_SeniorExchangeableNotes7.32Due2026Member_5d164396-8d4e-40b0-a3d3-785ee4e78078" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtConversionByUniqueDescriptionAxis_8fdc0d23-cdbc-423c-a9df-937dc941c3e9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtConversionByUniqueDescriptionAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_9505b22c-b846-4045-ac61-6ba7c6817e24" xlink:to="loc_us-gaap_DebtConversionByUniqueDescriptionAxis_8fdc0d23-cdbc-423c-a9df-937dc941c3e9" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtConversionNameDomain_8fdc0d23-cdbc-423c-a9df-937dc941c3e9_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtConversionNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtConversionByUniqueDescriptionAxis_8fdc0d23-cdbc-423c-a9df-937dc941c3e9" xlink:to="loc_us-gaap_DebtConversionNameDomain_8fdc0d23-cdbc-423c-a9df-937dc941c3e9_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtConversionNameDomain_269de9ae-d559-4530-938f-e406f879ab16" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtConversionNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtConversionByUniqueDescriptionAxis_8fdc0d23-cdbc-423c-a9df-937dc941c3e9" xlink:to="loc_us-gaap_DebtConversionNameDomain_269de9ae-d559-4530-938f-e406f879ab16" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_MeasurementPeriodMember_10342648-fd97-4d13-bd0b-df0cd9d63b14" xlink:href="sabr-20250930.xsd#sabr_MeasurementPeriodMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtConversionNameDomain_269de9ae-d559-4530-938f-e406f879ab16" xlink:to="loc_sabr_MeasurementPeriodMember_10342648-fd97-4d13-bd0b-df0cd9d63b14" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_74529936-8d5b-440b-8d8b-6fa30aab380c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_94ef0ef0-c6c3-4d64-8417-348b99c79163" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_74529936-8d5b-440b-8d8b-6fa30aab380c" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_79b0259b-eaae-4433-b80d-dc4d480f11a6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_94ef0ef0-c6c3-4d64-8417-348b99c79163" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_79b0259b-eaae-4433-b80d-dc4d480f11a6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtConversionOriginalDebtAmount1_c798c069-7da6-49fe-be34-22e606aeec21" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtConversionOriginalDebtAmount1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_94ef0ef0-c6c3-4d64-8417-348b99c79163" xlink:to="loc_us-gaap_DebtConversionOriginalDebtAmount1_c798c069-7da6-49fe-be34-22e606aeec21" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromConvertibleDebt_ac190aea-84ec-4209-8a31-a8c4593c1626" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromConvertibleDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_94ef0ef0-c6c3-4d64-8417-348b99c79163" xlink:to="loc_us-gaap_ProceedsFromConvertibleDebt_ac190aea-84ec-4209-8a31-a8c4593c1626" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFeeAmount_11147fce-7eaf-44ff-b73b-cbb0f5ff19f4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentFeeAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_94ef0ef0-c6c3-4d64-8417-348b99c79163" xlink:to="loc_us-gaap_DebtInstrumentFeeAmount_11147fce-7eaf-44ff-b73b-cbb0f5ff19f4" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestPayableCurrentAndNoncurrent_78573203-a156-4ec6-a0ae-4bf3b2fd1a52" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestPayableCurrentAndNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_94ef0ef0-c6c3-4d64-8417-348b99c79163" xlink:to="loc_us-gaap_InterestPayableCurrentAndNoncurrent_78573203-a156-4ec6-a0ae-4bf3b2fd1a52" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_175ba91f-f9b0-4f39-b098-e68b07481a45" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_94ef0ef0-c6c3-4d64-8417-348b99c79163" xlink:to="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt_175ba91f-f9b0-4f39-b098-e68b07481a45" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_5e52b9d1-1454-4cd9-a29f-322399eea457" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_94ef0ef0-c6c3-4d64-8417-348b99c79163" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_5e52b9d1-1454-4cd9-a29f-322399eea457" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger_c9594e84-5d6a-4c95-8510-d3569083f0f8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_94ef0ef0-c6c3-4d64-8417-348b99c79163" xlink:to="loc_us-gaap_DebtInstrumentConvertibleThresholdPercentageOfStockPriceTrigger_c9594e84-5d6a-4c95-8510-d3569083f0f8" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentConvertibleThresholdTradingDays_6173e674-25cf-4462-948e-043f99529a75" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentConvertibleThresholdTradingDays"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_94ef0ef0-c6c3-4d64-8417-348b99c79163" xlink:to="loc_us-gaap_DebtInstrumentConvertibleThresholdTradingDays_6173e674-25cf-4462-948e-043f99529a75" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays1_bc286ac9-3026-482e-a490-6720462de739" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_94ef0ef0-c6c3-4d64-8417-348b99c79163" xlink:to="loc_us-gaap_DebtInstrumentConvertibleThresholdConsecutiveTradingDays1_bc286ac9-3026-482e-a490-6720462de739" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_DebtInstrumentConvertibleThresholdBusinessDays_c0781e73-e939-4303-ae92-b1dfe9b042f4" xlink:href="sabr-20250930.xsd#sabr_DebtInstrumentConvertibleThresholdBusinessDays"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_94ef0ef0-c6c3-4d64-8417-348b99c79163" xlink:to="loc_sabr_DebtInstrumentConvertibleThresholdBusinessDays_c0781e73-e939-4303-ae92-b1dfe9b042f4" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed_18e5350f-51ec-4e01-b8f2-1b60e4991434" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_94ef0ef0-c6c3-4d64-8417-348b99c79163" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed_18e5350f-51ec-4e01-b8f2-1b60e4991434" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentConvertibleConversionPrice1_82f88ea7-563f-4c5b-97ea-2662d153d06a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentConvertibleConversionPrice1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_94ef0ef0-c6c3-4d64-8417-348b99c79163" xlink:to="loc_us-gaap_DebtInstrumentConvertibleConversionPrice1_82f88ea7-563f-4c5b-97ea-2662d153d06a" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_821eb726-b867-4501-a714-5379bdbe4111" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_94ef0ef0-c6c3-4d64-8417-348b99c79163" xlink:to="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage_821eb726-b867-4501-a714-5379bdbe4111" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentConvertibleConversionRatio1_404ea48d-616d-45e7-b028-fb0f27e5d046" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentConvertibleConversionRatio1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_94ef0ef0-c6c3-4d64-8417-348b99c79163" xlink:to="loc_us-gaap_DebtInstrumentConvertibleConversionRatio1_404ea48d-616d-45e7-b028-fb0f27e5d046" xlink:type="arc" order="15"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.sabre.com/role/DebtScheduleofExchangeableNotesDetails" xlink:type="simple" xlink:href="sabr-20250930.xsd#DebtScheduleofExchangeableNotesDetails"/>
  <link:definitionLink xlink:role="http://www.sabre.com/role/DebtScheduleofExchangeableNotesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_99d94894-8670-4f10-a60e-74481f6835dc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_b5fe61a5-4d5e-44ae-b22c-39bbce5dce41" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_99d94894-8670-4f10-a60e-74481f6835dc" xlink:to="loc_us-gaap_DebtInstrumentTable_b5fe61a5-4d5e-44ae-b22c-39bbce5dce41" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_68618e6c-8ec1-42e3-8c92-1127e0ac6a83" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_b5fe61a5-4d5e-44ae-b22c-39bbce5dce41" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_68618e6c-8ec1-42e3-8c92-1127e0ac6a83" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_68618e6c-8ec1-42e3-8c92-1127e0ac6a83_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_68618e6c-8ec1-42e3-8c92-1127e0ac6a83" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_68618e6c-8ec1-42e3-8c92-1127e0ac6a83_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_103b6cf3-b469-461f-80d3-42f3c2f58824" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_68618e6c-8ec1-42e3-8c92-1127e0ac6a83" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_103b6cf3-b469-461f-80d3-42f3c2f58824" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertibleDebtMember_53a932e1-a747-4bc8-8556-1021db854161" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ConvertibleDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_103b6cf3-b469-461f-80d3-42f3c2f58824" xlink:to="loc_us-gaap_ConvertibleDebtMember_53a932e1-a747-4bc8-8556-1021db854161" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_2d4db69a-371a-438b-abb3-9e454007f8fb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_b5fe61a5-4d5e-44ae-b22c-39bbce5dce41" xlink:to="loc_us-gaap_DebtInstrumentAxis_2d4db69a-371a-438b-abb3-9e454007f8fb" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_2d4db69a-371a-438b-abb3-9e454007f8fb_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_2d4db69a-371a-438b-abb3-9e454007f8fb" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_2d4db69a-371a-438b-abb3-9e454007f8fb_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_64942cfb-9ce6-4b0c-b4ae-2766f4a3f330" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_2d4db69a-371a-438b-abb3-9e454007f8fb" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_64942cfb-9ce6-4b0c-b4ae-2766f4a3f330" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SeniorExchangeableNotes400Due2025Member_25640d37-f44a-4b39-965d-0f5799f25bba" xlink:href="sabr-20250930.xsd#sabr_SeniorExchangeableNotes400Due2025Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_64942cfb-9ce6-4b0c-b4ae-2766f4a3f330" xlink:to="loc_sabr_SeniorExchangeableNotes400Due2025Member_25640d37-f44a-4b39-965d-0f5799f25bba" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SeniorExchangeableNotes7.32Due2026Member_e41e6c82-ae52-4dae-8f7e-f2fecd2bcb7c" xlink:href="sabr-20250930.xsd#sabr_SeniorExchangeableNotes7.32Due2026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_64942cfb-9ce6-4b0c-b4ae-2766f4a3f330" xlink:to="loc_sabr_SeniorExchangeableNotes7.32Due2026Member_e41e6c82-ae52-4dae-8f7e-f2fecd2bcb7c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_a04b44ab-c6c8-486c-9caa-9914d364e9f5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_99d94894-8670-4f10-a60e-74481f6835dc" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_a04b44ab-c6c8-486c-9caa-9914d364e9f5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentUnamortizedDiscount_556a6589-c279-4c98-8989-b1a686c3418e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentUnamortizedDiscount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_99d94894-8670-4f10-a60e-74481f6835dc" xlink:to="loc_us-gaap_DebtInstrumentUnamortizedDiscount_556a6589-c279-4c98-8989-b1a686c3418e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebt_1b83da04-496c-44d8-a57f-a8b1b1b56a1a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongTermDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_99d94894-8670-4f10-a60e-74481f6835dc" xlink:to="loc_us-gaap_LongTermDebt_1b83da04-496c-44d8-a57f-a8b1b1b56a1a" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.sabre.com/role/DebtScheduleofInterestExpenseRecognizedDetails" xlink:type="simple" xlink:href="sabr-20250930.xsd#DebtScheduleofInterestExpenseRecognizedDetails"/>
  <link:definitionLink xlink:role="http://www.sabre.com/role/DebtScheduleofInterestExpenseRecognizedDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_bc05954e-699c-4b4c-ac10-fa31a785291a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_6442c116-a1ca-4370-9a9a-9a4f0acb7a11" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_bc05954e-699c-4b4c-ac10-fa31a785291a" xlink:to="loc_us-gaap_DebtInstrumentTable_6442c116-a1ca-4370-9a9a-9a4f0acb7a11" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_4a95b770-6130-4dd6-a7e9-13c8d4ec03b6" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_6442c116-a1ca-4370-9a9a-9a4f0acb7a11" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_4a95b770-6130-4dd6-a7e9-13c8d4ec03b6" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_4a95b770-6130-4dd6-a7e9-13c8d4ec03b6_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_4a95b770-6130-4dd6-a7e9-13c8d4ec03b6" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_4a95b770-6130-4dd6-a7e9-13c8d4ec03b6_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_b80c9936-850c-4555-b27b-a166b62cd722" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_4a95b770-6130-4dd6-a7e9-13c8d4ec03b6" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_b80c9936-850c-4555-b27b-a166b62cd722" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertibleDebtMember_2d12a2e5-b4c9-4e9d-8c50-c8d0ff4a9469" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ConvertibleDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_b80c9936-850c-4555-b27b-a166b62cd722" xlink:to="loc_us-gaap_ConvertibleDebtMember_2d12a2e5-b4c9-4e9d-8c50-c8d0ff4a9469" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_6a9cb309-36c8-43f2-bf2e-04c308fd7d49" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_6442c116-a1ca-4370-9a9a-9a4f0acb7a11" xlink:to="loc_us-gaap_DebtInstrumentAxis_6a9cb309-36c8-43f2-bf2e-04c308fd7d49" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_6a9cb309-36c8-43f2-bf2e-04c308fd7d49_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_6a9cb309-36c8-43f2-bf2e-04c308fd7d49" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_6a9cb309-36c8-43f2-bf2e-04c308fd7d49_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_49295ae8-c878-4c27-b24e-dfbdd69348c3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_6a9cb309-36c8-43f2-bf2e-04c308fd7d49" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_49295ae8-c878-4c27-b24e-dfbdd69348c3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SeniorExchangeableNotes400Due2025Member_ae674b53-a3e3-4233-83ba-620803147db7" xlink:href="sabr-20250930.xsd#sabr_SeniorExchangeableNotes400Due2025Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_49295ae8-c878-4c27-b24e-dfbdd69348c3" xlink:to="loc_sabr_SeniorExchangeableNotes400Due2025Member_ae674b53-a3e3-4233-83ba-620803147db7" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SeniorExchangeableNotes7.32Due2026Member_f7c77e2f-4f75-4891-95be-caa46f9d7cb1" xlink:href="sabr-20250930.xsd#sabr_SeniorExchangeableNotes7.32Due2026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_49295ae8-c878-4c27-b24e-dfbdd69348c3" xlink:to="loc_sabr_SeniorExchangeableNotes7.32Due2026Member_f7c77e2f-4f75-4891-95be-caa46f9d7cb1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseDebt_a287a54c-8394-4d95-8ec1-bebb98267021" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestExpenseDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_bc05954e-699c-4b4c-ac10-fa31a785291a" xlink:to="loc_us-gaap_InterestExpenseDebt_a287a54c-8394-4d95-8ec1-bebb98267021" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_6051a4b5-a174-49f2-b576-5f26104d9290" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AmortizationOfFinancingCostsAndDiscounts"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_bc05954e-699c-4b4c-ac10-fa31a785291a" xlink:to="loc_us-gaap_AmortizationOfFinancingCostsAndDiscounts_6051a4b5-a174-49f2-b576-5f26104d9290" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.sabre.com/role/DerivativesScheduleofInterestRateSwapsDetails" xlink:type="simple" xlink:href="sabr-20250930.xsd#DerivativesScheduleofInterestRateSwapsDetails"/>
  <link:definitionLink xlink:role="http://www.sabre.com/role/DerivativesScheduleofInterestRateSwapsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLineItems_93a0af56-bcfc-4c5a-b132-067667781bda" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeTable_520bf857-0315-4763-9fea-1cd8a81de14b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeLineItems_93a0af56-bcfc-4c5a-b132-067667781bda" xlink:to="loc_us-gaap_DerivativeTable_520bf857-0315-4763-9fea-1cd8a81de14b" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationAxis_62b884f1-6417-4991-b977-2e2287b7e49b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HedgingDesignationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_520bf857-0315-4763-9fea-1cd8a81de14b" xlink:to="loc_us-gaap_HedgingDesignationAxis_62b884f1-6417-4991-b977-2e2287b7e49b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_62b884f1-6417-4991-b977-2e2287b7e49b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_62b884f1-6417-4991-b977-2e2287b7e49b" xlink:to="loc_us-gaap_HedgingDesignationDomain_62b884f1-6417-4991-b977-2e2287b7e49b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_bb0eb30e-e220-49f9-ad03-7fe0deefe0fd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_62b884f1-6417-4991-b977-2e2287b7e49b" xlink:to="loc_us-gaap_HedgingDesignationDomain_bb0eb30e-e220-49f9-ad03-7fe0deefe0fd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_51ad1945-d251-46f7-850e-c65f94c4ad16" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DesignatedAsHedgingInstrumentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_bb0eb30e-e220-49f9-ad03-7fe0deefe0fd" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_51ad1945-d251-46f7-850e-c65f94c4ad16" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_7d455317-b173-4ce5-9c51-34148a1a626e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_520bf857-0315-4763-9fea-1cd8a81de14b" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_7d455317-b173-4ce5-9c51-34148a1a626e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_7d455317-b173-4ce5-9c51-34148a1a626e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_7d455317-b173-4ce5-9c51-34148a1a626e" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_7d455317-b173-4ce5-9c51-34148a1a626e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_993b4bb8-6c4f-4ba3-b89c-33f91312573a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_7d455317-b173-4ce5-9c51-34148a1a626e" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_993b4bb8-6c4f-4ba3-b89c-33f91312573a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_A4.72InterestRateSwapMember_5f63a902-c7cf-4459-b974-9ecfb80da5da" xlink:href="sabr-20250930.xsd#sabr_A4.72InterestRateSwapMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_993b4bb8-6c4f-4ba3-b89c-33f91312573a" xlink:to="loc_sabr_A4.72InterestRateSwapMember_5f63a902-c7cf-4459-b974-9ecfb80da5da" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_A3.88InterestRateSwapMember_e397d7be-756f-41b3-9798-14d5c3e67aa2" xlink:href="sabr-20250930.xsd#sabr_A3.88InterestRateSwapMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_993b4bb8-6c4f-4ba3-b89c-33f91312573a" xlink:to="loc_sabr_A3.88InterestRateSwapMember_e397d7be-756f-41b3-9798-14d5c3e67aa2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_A4.37InterestRateSwapMember_a1fc8962-c9a8-4283-87d1-c8e8f14890bb" xlink:href="sabr-20250930.xsd#sabr_A4.37InterestRateSwapMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_993b4bb8-6c4f-4ba3-b89c-33f91312573a" xlink:to="loc_sabr_A4.37InterestRateSwapMember_a1fc8962-c9a8-4283-87d1-c8e8f14890bb" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeNotionalAmount_e7a3f0a6-ca12-4dee-bac4-69387a1b2692" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeNotionalAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_93a0af56-bcfc-4c5a-b132-067667781bda" xlink:to="loc_us-gaap_DerivativeNotionalAmount_e7a3f0a6-ca12-4dee-bac4-69387a1b2692" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFixedInterestRate_ae84bc45-fb3f-4cc9-8da3-2da8c5bc389e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeFixedInterestRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_93a0af56-bcfc-4c5a-b132-067667781bda" xlink:to="loc_us-gaap_DerivativeFixedInterestRate_ae84bc45-fb3f-4cc9-8da3-2da8c5bc389e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFloorInterestRate_fd16ec59-843c-47c0-a9ea-acff4b8a0fcf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeFloorInterestRate"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_93a0af56-bcfc-4c5a-b132-067667781bda" xlink:to="loc_us-gaap_DerivativeFloorInterestRate_fd16ec59-843c-47c0-a9ea-acff4b8a0fcf" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.sabre.com/role/DerivativesNarrativeDetails" xlink:type="simple" xlink:href="sabr-20250930.xsd#DerivativesNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.sabre.com/role/DerivativesNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLineItems_c72b1bd8-22b1-44ff-8d64-f19adcf9e16a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeTable_b001cf33-1ba0-4640-bf08-a363a7da60ed" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeLineItems_c72b1bd8-22b1-44ff-8d64-f19adcf9e16a" xlink:to="loc_us-gaap_DerivativeTable_b001cf33-1ba0-4640-bf08-a363a7da60ed" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_be42b38c-9b30-4444-892c-242b6e565a96" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_b001cf33-1ba0-4640-bf08-a363a7da60ed" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_be42b38c-9b30-4444-892c-242b6e565a96" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_be42b38c-9b30-4444-892c-242b6e565a96_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_be42b38c-9b30-4444-892c-242b6e565a96" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_be42b38c-9b30-4444-892c-242b6e565a96_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_41807ee2-2baa-445d-a4a8-4c97ce65b9e8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_be42b38c-9b30-4444-892c-242b6e565a96" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_41807ee2-2baa-445d-a4a8-4c97ce65b9e8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateSwapMember_c0f02a6b-2c22-4fed-be41-a3530f75f0b0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestRateSwapMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_41807ee2-2baa-445d-a4a8-4c97ce65b9e8" xlink:to="loc_us-gaap_InterestRateSwapMember_c0f02a6b-2c22-4fed-be41-a3530f75f0b0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_e548a835-c1b7-49eb-a0bc-c86a1b176d9d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_b001cf33-1ba0-4640-bf08-a363a7da60ed" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_e548a835-c1b7-49eb-a0bc-c86a1b176d9d" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_e548a835-c1b7-49eb-a0bc-c86a1b176d9d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_e548a835-c1b7-49eb-a0bc-c86a1b176d9d" xlink:to="loc_us-gaap_HedgingRelationshipDomain_e548a835-c1b7-49eb-a0bc-c86a1b176d9d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_690b03fd-1fa6-44e7-8d1f-11d4ad309cac" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_e548a835-c1b7-49eb-a0bc-c86a1b176d9d" xlink:to="loc_us-gaap_HedgingRelationshipDomain_690b03fd-1fa6-44e7-8d1f-11d4ad309cac" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashFlowHedgingMember_7f19ef59-4e8c-4e93-9bba-a225be1b9a66" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashFlowHedgingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_690b03fd-1fa6-44e7-8d1f-11d4ad309cac" xlink:to="loc_us-gaap_CashFlowHedgingMember_7f19ef59-4e8c-4e93-9bba-a225be1b9a66" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeNotionalAmount_6d98604f-25c1-442f-bb57-7a9af4235732" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeNotionalAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_c72b1bd8-22b1-44ff-8d64-f19adcf9e16a" xlink:to="loc_us-gaap_DerivativeNotionalAmount_6d98604f-25c1-442f-bb57-7a9af4235732" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths_574805f4-6e44-4d4b-b388-6a0328c8c133" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_c72b1bd8-22b1-44ff-8d64-f19adcf9e16a" xlink:to="loc_us-gaap_CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths_574805f4-6e44-4d4b-b388-6a0328c8c133" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.sabre.com/role/DerivativesScheduleofEstimatedFairValuesofDerivativesDesignatedasHedgingInstrumentsDetails" xlink:type="simple" xlink:href="sabr-20250930.xsd#DerivativesScheduleofEstimatedFairValuesofDerivativesDesignatedasHedgingInstrumentsDetails"/>
  <link:definitionLink xlink:role="http://www.sabre.com/role/DerivativesScheduleofEstimatedFairValuesofDerivativesDesignatedasHedgingInstrumentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLineItems_bf66234b-2fc1-43e6-a300-601969bfa51c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeTable_3d27a929-e2bc-404c-b2dc-6240a9089b72" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeLineItems_bf66234b-2fc1-43e6-a300-601969bfa51c" xlink:to="loc_us-gaap_DerivativeTable_3d27a929-e2bc-404c-b2dc-6240a9089b72" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationAxis_42eadc62-5e7e-4d39-82a0-7ca8f511d60f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HedgingDesignationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_3d27a929-e2bc-404c-b2dc-6240a9089b72" xlink:to="loc_us-gaap_HedgingDesignationAxis_42eadc62-5e7e-4d39-82a0-7ca8f511d60f" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_42eadc62-5e7e-4d39-82a0-7ca8f511d60f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_42eadc62-5e7e-4d39-82a0-7ca8f511d60f" xlink:to="loc_us-gaap_HedgingDesignationDomain_42eadc62-5e7e-4d39-82a0-7ca8f511d60f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_e0679e4e-b9f9-4680-b837-b2ab7686908d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_42eadc62-5e7e-4d39-82a0-7ca8f511d60f" xlink:to="loc_us-gaap_HedgingDesignationDomain_e0679e4e-b9f9-4680-b837-b2ab7686908d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_4f73fe13-8df0-4b95-b74e-90dc37fbbc54" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DesignatedAsHedgingInstrumentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_e0679e4e-b9f9-4680-b837-b2ab7686908d" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_4f73fe13-8df0-4b95-b74e-90dc37fbbc54" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_e415d198-29fb-4882-9aae-00f7c35694ae" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_3d27a929-e2bc-404c-b2dc-6240a9089b72" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_e415d198-29fb-4882-9aae-00f7c35694ae" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_e415d198-29fb-4882-9aae-00f7c35694ae_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_e415d198-29fb-4882-9aae-00f7c35694ae" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_e415d198-29fb-4882-9aae-00f7c35694ae_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_6374747e-9fe5-46d2-8d11-d121309ffa3e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_e415d198-29fb-4882-9aae-00f7c35694ae" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_6374747e-9fe5-46d2-8d11-d121309ffa3e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateSwapMember_c0836f43-3ad9-40f4-a638-38755e533169" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestRateSwapMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_6374747e-9fe5-46d2-8d11-d121309ffa3e" xlink:to="loc_us-gaap_InterestRateSwapMember_c0836f43-3ad9-40f4-a638-38755e533169" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilitiesCurrent_c82bf6e3-62fb-413c-a56a-6dce71ef0125" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeLiabilitiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_bf66234b-2fc1-43e6-a300-601969bfa51c" xlink:to="loc_us-gaap_DerivativeLiabilitiesCurrent_c82bf6e3-62fb-413c-a56a-6dce71ef0125" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilityCurrentStatementOfFinancialPositionExtensibleEnumeration_0980d06d-3e0a-410d-bac5-69fa3e09f809" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeLiabilityCurrentStatementOfFinancialPositionExtensibleEnumeration"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLiabilitiesCurrent_c82bf6e3-62fb-413c-a56a-6dce71ef0125" xlink:to="loc_us-gaap_DerivativeLiabilityCurrentStatementOfFinancialPositionExtensibleEnumeration_0980d06d-3e0a-410d-bac5-69fa3e09f809" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilitiesNoncurrent_528af185-b100-4158-af88-3f87a4a97c06" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeLiabilitiesNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_bf66234b-2fc1-43e6-a300-601969bfa51c" xlink:to="loc_us-gaap_DerivativeLiabilitiesNoncurrent_528af185-b100-4158-af88-3f87a4a97c06" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilityNoncurrentStatementOfFinancialPositionExtensibleEnumeration_8241da49-8c4d-49b9-b9a3-138fa325de1d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeLiabilityNoncurrentStatementOfFinancialPositionExtensibleEnumeration"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLiabilitiesNoncurrent_528af185-b100-4158-af88-3f87a4a97c06" xlink:to="loc_us-gaap_DerivativeLiabilityNoncurrentStatementOfFinancialPositionExtensibleEnumeration_8241da49-8c4d-49b9-b9a3-138fa325de1d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet_e80374b6-b618-4766-931c-778a07a9c674" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_bf66234b-2fc1-43e6-a300-601969bfa51c" xlink:to="loc_us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet_e80374b6-b618-4766-931c-778a07a9c674" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.sabre.com/role/DerivativesScheduleofDerivativeInstrumentsNetofTaxesDetails" xlink:type="simple" xlink:href="sabr-20250930.xsd#DerivativesScheduleofDerivativeInstrumentsNetofTaxesDetails"/>
  <link:definitionLink xlink:role="http://www.sabre.com/role/DerivativesScheduleofDerivativeInstrumentsNetofTaxesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLineItems_058f08de-5d0f-43ac-a656-04635c167a79" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeTable_3412f247-2921-41f8-88eb-c39f0e41e8ed" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DerivativeLineItems_058f08de-5d0f-43ac-a656-04635c167a79" xlink:to="loc_us-gaap_DerivativeTable_3412f247-2921-41f8-88eb-c39f0e41e8ed" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationAxis_81ce85d3-3131-4ec0-93b6-7697f08c0eb0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HedgingDesignationAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_3412f247-2921-41f8-88eb-c39f0e41e8ed" xlink:to="loc_us-gaap_HedgingDesignationAxis_81ce85d3-3131-4ec0-93b6-7697f08c0eb0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_81ce85d3-3131-4ec0-93b6-7697f08c0eb0_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_HedgingDesignationAxis_81ce85d3-3131-4ec0-93b6-7697f08c0eb0" xlink:to="loc_us-gaap_HedgingDesignationDomain_81ce85d3-3131-4ec0-93b6-7697f08c0eb0_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationDomain_c8d7e803-b5e6-4583-aebc-fd0cafc398c1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HedgingDesignationDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_HedgingDesignationAxis_81ce85d3-3131-4ec0-93b6-7697f08c0eb0" xlink:to="loc_us-gaap_HedgingDesignationDomain_c8d7e803-b5e6-4583-aebc-fd0cafc398c1" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DesignatedAsHedgingInstrumentMember_a1b691f1-3604-42c9-a195-0f0f4c681d58" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DesignatedAsHedgingInstrumentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingDesignationDomain_c8d7e803-b5e6-4583-aebc-fd0cafc398c1" xlink:to="loc_us-gaap_DesignatedAsHedgingInstrumentMember_a1b691f1-3604-42c9-a195-0f0f4c681d58" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_11a02905-59d9-4cb4-9fe6-9d2fd70e9884" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_3412f247-2921-41f8-88eb-c39f0e41e8ed" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_11a02905-59d9-4cb4-9fe6-9d2fd70e9884" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_11a02905-59d9-4cb4-9fe6-9d2fd70e9884_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_11a02905-59d9-4cb4-9fe6-9d2fd70e9884" xlink:to="loc_us-gaap_HedgingRelationshipDomain_11a02905-59d9-4cb4-9fe6-9d2fd70e9884_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingRelationshipDomain_0cc5af30-81d5-43e7-b04b-f5184cbac7f2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HedgingRelationshipDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_11a02905-59d9-4cb4-9fe6-9d2fd70e9884" xlink:to="loc_us-gaap_HedgingRelationshipDomain_0cc5af30-81d5-43e7-b04b-f5184cbac7f2" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashFlowHedgingMember_6a7c6d09-6dac-40d7-8507-1d06739e7ef3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashFlowHedgingMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_HedgingRelationshipDomain_0cc5af30-81d5-43e7-b04b-f5184cbac7f2" xlink:to="loc_us-gaap_CashFlowHedgingMember_6a7c6d09-6dac-40d7-8507-1d06739e7ef3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_92456386-46e5-44bf-a909-aee26dfa3c42" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DerivativeTable_3412f247-2921-41f8-88eb-c39f0e41e8ed" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_92456386-46e5-44bf-a909-aee26dfa3c42" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_92456386-46e5-44bf-a909-aee26dfa3c42_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_92456386-46e5-44bf-a909-aee26dfa3c42" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_92456386-46e5-44bf-a909-aee26dfa3c42_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_9fc71249-1035-45ca-96d5-aefb86a9949b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_92456386-46e5-44bf-a909-aee26dfa3c42" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_9fc71249-1035-45ca-96d5-aefb86a9949b" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateSwapMember_ce1250d2-3cb5-4ced-b56d-412f954cef39" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestRateSwapMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_9fc71249-1035-45ca-96d5-aefb86a9949b" xlink:to="loc_us-gaap_InterestRateSwapMember_ce1250d2-3cb5-4ced-b56d-412f954cef39" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax_664a612d-46ac-458f-9070-4382285aa0d3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_058f08de-5d0f-43ac-a656-04635c167a79" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax_664a612d-46ac-458f-9070-4382285aa0d3" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax_9c6f4d22-14cc-4bb3-9863-b6805d28c4d2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLineItems_058f08de-5d0f-43ac-a656-04635c167a79" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax_9c6f4d22-14cc-4bb3-9863-b6805d28c4d2" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.sabre.com/role/FairValueMeasurementsNarrativeDetails" xlink:type="simple" xlink:href="sabr-20250930.xsd#FairValueMeasurementsNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.sabre.com/role/FairValueMeasurementsNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_538780f9-a803-4dc9-b2c0-c70e15fc4dbc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_482d4fb8-fb8e-416d-a560-6bc5b2b92c97" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_538780f9-a803-4dc9-b2c0-c70e15fc4dbc" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_482d4fb8-fb8e-416d-a560-6bc5b2b92c97" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentAxis_2bff2590-95ca-4b62-863e-a391168307ca" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancialInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_482d4fb8-fb8e-416d-a560-6bc5b2b92c97" xlink:to="loc_us-gaap_FinancialInstrumentAxis_2bff2590-95ca-4b62-863e-a391168307ca" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_2bff2590-95ca-4b62-863e-a391168307ca_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancialInstrumentAxis_2bff2590-95ca-4b62-863e-a391168307ca" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_2bff2590-95ca-4b62-863e-a391168307ca_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_03dfd657-da9a-46dc-8bed-e38418cb22cc" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis_2bff2590-95ca-4b62-863e-a391168307ca" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_03dfd657-da9a-46dc-8bed-e38418cb22cc" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_GlobalBusinessTravelGroupIncInvestmentMember_5eb72836-0fdc-4acf-ab2c-cbf1c3cf955e" xlink:href="sabr-20250930.xsd#sabr_GlobalBusinessTravelGroupIncInvestmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_03dfd657-da9a-46dc-8bed-e38418cb22cc" xlink:to="loc_sabr_GlobalBusinessTravelGroupIncInvestmentMember_5eb72836-0fdc-4acf-ab2c-cbf1c3cf955e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_EquitySecuritiesSharesAcquired_661361f1-2ad5-4ab1-aeef-a287af25ae22" xlink:href="sabr-20250930.xsd#sabr_EquitySecuritiesSharesAcquired"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_538780f9-a803-4dc9-b2c0-c70e15fc4dbc" xlink:to="loc_sabr_EquitySecuritiesSharesAcquired_661361f1-2ad5-4ab1-aeef-a287af25ae22" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare_4ec28560-fbb7-4268-a2df-a8962cbdbd18" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockParOrStatedValuePerShare"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_538780f9-a803-4dc9-b2c0-c70e15fc4dbc" xlink:to="loc_us-gaap_CommonStockParOrStatedValuePerShare_4ec28560-fbb7-4268-a2df-a8962cbdbd18" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireEquitySecuritiesFvNi_76bb3669-8ac7-4373-8831-9d2b74aa04bd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PaymentsToAcquireEquitySecuritiesFvNi"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_538780f9-a803-4dc9-b2c0-c70e15fc4dbc" xlink:to="loc_us-gaap_PaymentsToAcquireEquitySecuritiesFvNi_76bb3669-8ac7-4373-8831-9d2b74aa04bd" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_EquitySecuritiesSharesSold_1faa96ae-57cf-4cd9-813c-b45ba9369a7e" xlink:href="sabr-20250930.xsd#sabr_EquitySecuritiesSharesSold"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_538780f9-a803-4dc9-b2c0-c70e15fc4dbc" xlink:to="loc_sabr_EquitySecuritiesSharesSold_1faa96ae-57cf-4cd9-813c-b45ba9369a7e" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfEquitySecuritiesFvNi_c339fcc8-b3a9-46aa-8df4-e23668e7818c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromSaleOfEquitySecuritiesFvNi"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_538780f9-a803-4dc9-b2c0-c70e15fc4dbc" xlink:to="loc_us-gaap_ProceedsFromSaleOfEquitySecuritiesFvNi_c339fcc8-b3a9-46aa-8df4-e23668e7818c" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesFvNiRealizedGainLoss_904aa313-5e81-46df-8bf4-c2dfd681286d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquitySecuritiesFvNiRealizedGainLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_538780f9-a803-4dc9-b2c0-c70e15fc4dbc" xlink:to="loc_us-gaap_EquitySecuritiesFvNiRealizedGainLoss_904aa313-5e81-46df-8bf4-c2dfd681286d" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillImpairmentLoss_c3e9c56e-3dc9-4ecd-bf49-4cccd99dd86a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_GoodwillImpairmentLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_538780f9-a803-4dc9-b2c0-c70e15fc4dbc" xlink:to="loc_us-gaap_GoodwillImpairmentLoss_c3e9c56e-3dc9-4ecd-bf49-4cccd99dd86a" xlink:type="arc" order="6"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.sabre.com/role/FairValueMeasurementsScheduleofAssetsandLiabilitiesMeasuredatFairValueonaRecurringBasisDetails" xlink:type="simple" xlink:href="sabr-20250930.xsd#FairValueMeasurementsScheduleofAssetsandLiabilitiesMeasuredatFairValueonaRecurringBasisDetails"/>
  <link:definitionLink xlink:role="http://www.sabre.com/role/FairValueMeasurementsScheduleofAssetsandLiabilitiesMeasuredatFairValueonaRecurringBasisDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_58d19c04-d75b-4d59-b17f-e6c329c0fcb1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByBalanceSheetGroupingTable_9d21b741-b924-41ba-be3e-087d77b0bc99" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueByBalanceSheetGroupingTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_58d19c04-d75b-4d59-b17f-e6c329c0fcb1" xlink:to="loc_us-gaap_FairValueByBalanceSheetGroupingTable_9d21b741-b924-41ba-be3e-087d77b0bc99" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_84d34a57-9380-40f5-b405-35ee5ae4c88c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueByMeasurementFrequencyAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_9d21b741-b924-41ba-be3e-087d77b0bc99" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_84d34a57-9380-40f5-b405-35ee5ae4c88c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_84d34a57-9380-40f5-b405-35ee5ae4c88c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_84d34a57-9380-40f5-b405-35ee5ae4c88c" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_84d34a57-9380-40f5-b405-35ee5ae4c88c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_dec77369-4106-4924-a48f-9415c6ccb550" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_84d34a57-9380-40f5-b405-35ee5ae4c88c" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_dec77369-4106-4924-a48f-9415c6ccb550" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_1de0e166-b987-4083-be4e-82a9fa320807" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueMeasurementsRecurringMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_dec77369-4106-4924-a48f-9415c6ccb550" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_1de0e166-b987-4083-be4e-82a9fa320807" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_98cef82d-e1ea-4424-9f57-bb1d5737a798" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_9d21b741-b924-41ba-be3e-087d77b0bc99" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_98cef82d-e1ea-4424-9f57-bb1d5737a798" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_98cef82d-e1ea-4424-9f57-bb1d5737a798_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_98cef82d-e1ea-4424-9f57-bb1d5737a798" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_98cef82d-e1ea-4424-9f57-bb1d5737a798_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_7cff66e9-7872-4216-9a15-6b41850bdb6a" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_98cef82d-e1ea-4424-9f57-bb1d5737a798" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_7cff66e9-7872-4216-9a15-6b41850bdb6a" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_e06430af-f02a-4a22-a706-c2d93e54cc06" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueInputsLevel1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_7cff66e9-7872-4216-9a15-6b41850bdb6a" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_e06430af-f02a-4a22-a706-c2d93e54cc06" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_96275c5c-d17f-4650-8176-6b7a896c7f15" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_7cff66e9-7872-4216-9a15-6b41850bdb6a" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_96275c5c-d17f-4650-8176-6b7a896c7f15" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_6f0028fd-38da-477f-a8d8-e7f2f58c6bd2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueInputsLevel3Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_7cff66e9-7872-4216-9a15-6b41850bdb6a" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_6f0028fd-38da-477f-a8d8-e7f2f58c6bd2" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAxis_6ef9e001-e34c-4ff5-8f0a-c4d97dfe2f04" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashAndCashEquivalentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_9d21b741-b924-41ba-be3e-087d77b0bc99" xlink:to="loc_us-gaap_CashAndCashEquivalentsAxis_6ef9e001-e34c-4ff5-8f0a-c4d97dfe2f04" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_6ef9e001-e34c-4ff5-8f0a-c4d97dfe2f04_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CashAndCashEquivalentsAxis_6ef9e001-e34c-4ff5-8f0a-c4d97dfe2f04" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_6ef9e001-e34c-4ff5-8f0a-c4d97dfe2f04_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_ce9507a2-622c-46a8-ac6f-cd6468bf3065" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CashAndCashEquivalentsAxis_6ef9e001-e34c-4ff5-8f0a-c4d97dfe2f04" xlink:to="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_ce9507a2-622c-46a8-ac6f-cd6468bf3065" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MoneyMarketFundsMember_b0da71a4-a942-42e4-bc39-179cb6108a6d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MoneyMarketFundsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_ce9507a2-622c-46a8-ac6f-cd6468bf3065" xlink:to="loc_us-gaap_MoneyMarketFundsMember_b0da71a4-a942-42e4-bc39-179cb6108a6d" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BankTimeDepositsMember_82324f28-6a92-4744-9c52-28ccbbbb8d5d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_BankTimeDepositsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalentsCashAndCashEquivalentsMember_ce9507a2-622c-46a8-ac6f-cd6468bf3065" xlink:to="loc_us-gaap_BankTimeDepositsMember_82324f28-6a92-4744-9c52-28ccbbbb8d5d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentAxis_e2b15675-9388-46ba-8611-9adb881bd30c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancialInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_9d21b741-b924-41ba-be3e-087d77b0bc99" xlink:to="loc_us-gaap_FinancialInstrumentAxis_e2b15675-9388-46ba-8611-9adb881bd30c" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_e2b15675-9388-46ba-8611-9adb881bd30c_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FinancialInstrumentAxis_e2b15675-9388-46ba-8611-9adb881bd30c" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_e2b15675-9388-46ba-8611-9adb881bd30c_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_e9413ca2-aa7b-4bc4-a044-1116e02f207e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FinancialInstrumentAxis_e2b15675-9388-46ba-8611-9adb881bd30c" xlink:to="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_e9413ca2-aa7b-4bc4-a044-1116e02f207e" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_GlobalBusinessTravelGroupIncInvestmentMember_72ba4b78-e214-4bf9-91e8-5bdc87ddbe9e" xlink:href="sabr-20250930.xsd#sabr_GlobalBusinessTravelGroupIncInvestmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_e9413ca2-aa7b-4bc4-a044-1116e02f207e" xlink:to="loc_sabr_GlobalBusinessTravelGroupIncInvestmentMember_72ba4b78-e214-4bf9-91e8-5bdc87ddbe9e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis_add7c5e7-4569-47a6-a732-20977741856b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_9d21b741-b924-41ba-be3e-087d77b0bc99" xlink:to="loc_us-gaap_DerivativeInstrumentRiskAxis_add7c5e7-4569-47a6-a732-20977741856b" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_add7c5e7-4569-47a6-a732-20977741856b_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_add7c5e7-4569-47a6-a732-20977741856b" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_add7c5e7-4569-47a6-a732-20977741856b_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain_24a04da9-0e9f-4a38-bc4b-41ac7af92fbd" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis_add7c5e7-4569-47a6-a732-20977741856b" xlink:to="loc_us-gaap_DerivativeContractTypeDomain_24a04da9-0e9f-4a38-bc4b-41ac7af92fbd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateSwapMember_350d5c35-ae26-4224-bfbe-ba51c623b09e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InterestRateSwapMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeContractTypeDomain_24a04da9-0e9f-4a38-bc4b-41ac7af92fbd" xlink:to="loc_us-gaap_InterestRateSwapMember_350d5c35-ae26-4224-bfbe-ba51c623b09e" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetsAbstract_94071a0d-069f-425d-84db-853e0893eb58" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeAssetsAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_58d19c04-d75b-4d59-b17f-e6c329c0fcb1" xlink:to="loc_us-gaap_DerivativeAssetsAbstract_94071a0d-069f-425d-84db-853e0893eb58" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_dc195e58-528c-4264-8d60-08f74c15cfe0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CashAndCashEquivalentsFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeAssetsAbstract_94071a0d-069f-425d-84db-853e0893eb58" xlink:to="loc_us-gaap_CashAndCashEquivalentsFairValueDisclosure_dc195e58-528c-4264-8d60-08f74c15cfe0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesFvNiCurrentAndNoncurrent_c04ca6b8-4c06-4860-a646-d9a0ca6e54a9" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquitySecuritiesFvNiCurrentAndNoncurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeAssetsAbstract_94071a0d-069f-425d-84db-853e0893eb58" xlink:to="loc_us-gaap_EquitySecuritiesFvNiCurrentAndNoncurrent_c04ca6b8-4c06-4860-a646-d9a0ca6e54a9" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsFairValueDisclosure_87274673-6bea-4a94-bde7-a9ec0b1d0262" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeAssetsAbstract_94071a0d-069f-425d-84db-853e0893eb58" xlink:to="loc_us-gaap_AssetsFairValueDisclosure_87274673-6bea-4a94-bde7-a9ec0b1d0262" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilitiesAbstract_20e8eecf-acf7-40b0-b060-c3f6a3998927" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeLiabilitiesAbstract"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_58d19c04-d75b-4d59-b17f-e6c329c0fcb1" xlink:to="loc_us-gaap_DerivativeLiabilitiesAbstract_20e8eecf-acf7-40b0-b060-c3f6a3998927" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilities_1c753fd9-c9ab-4827-8b35-22e0c42544da" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DerivativeLiabilities"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLiabilitiesAbstract_20e8eecf-acf7-40b0-b060-c3f6a3998927" xlink:to="loc_us-gaap_DerivativeLiabilities_1c753fd9-c9ab-4827-8b35-22e0c42544da" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosure_c1f4f10c-e4f4-4e0c-a7b5-d8c85565e14d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesFairValueDisclosure"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DerivativeLiabilitiesAbstract_20e8eecf-acf7-40b0-b060-c3f6a3998927" xlink:to="loc_us-gaap_LiabilitiesFairValueDisclosure_c1f4f10c-e4f4-4e0c-a7b5-d8c85565e14d" xlink:type="arc" order="2"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.sabre.com/role/FairValueMeasurementsScheduleofFairValueandCarryingValueofDebtDetails" xlink:type="simple" xlink:href="sabr-20250930.xsd#FairValueMeasurementsScheduleofFairValueandCarryingValueofDebtDetails"/>
  <link:definitionLink xlink:role="http://www.sabre.com/role/FairValueMeasurementsScheduleofFairValueandCarryingValueofDebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_66ec04ca-3da6-41e5-b8bc-3f6f8b0821d2" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByBalanceSheetGroupingTable_e5ef9a86-7971-43aa-96d9-4f4ff68bd4bb" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueByBalanceSheetGroupingTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_66ec04ca-3da6-41e5-b8bc-3f6f8b0821d2" xlink:to="loc_us-gaap_FairValueByBalanceSheetGroupingTable_e5ef9a86-7971-43aa-96d9-4f4ff68bd4bb" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementBasisAxis_c5b2b0bf-0942-48f8-b0eb-efd50e063d04" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueByMeasurementBasisAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_e5ef9a86-7971-43aa-96d9-4f4ff68bd4bb" xlink:to="loc_us-gaap_FairValueByMeasurementBasisAxis_c5b2b0bf-0942-48f8-b0eb-efd50e063d04" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_c5b2b0bf-0942-48f8-b0eb-efd50e063d04_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_c5b2b0bf-0942-48f8-b0eb-efd50e063d04" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_c5b2b0bf-0942-48f8-b0eb-efd50e063d04_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosureItemAmountsDomain_5d866a49-5477-4d97-9774-030300dc4a0d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FairValueDisclosureItemAmountsDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_c5b2b0bf-0942-48f8-b0eb-efd50e063d04" xlink:to="loc_us-gaap_FairValueDisclosureItemAmountsDomain_5d866a49-5477-4d97-9774-030300dc4a0d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_2b581ec0-2d1d-43b7-9fb6-3e7067faf0be" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_5d866a49-5477-4d97-9774-030300dc4a0d" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_2b581ec0-2d1d-43b7-9fb6-3e7067faf0be" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_554b0d58-c047-43e8-9d7c-8404fb0aa8f0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EstimateOfFairValueFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_2b581ec0-2d1d-43b7-9fb6-3e7067faf0be" xlink:to="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_554b0d58-c047-43e8-9d7c-8404fb0aa8f0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_26e48c38-ed08-467f-bfe9-205c49566f91" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CarryingReportedAmountFairValueDisclosureMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_2b581ec0-2d1d-43b7-9fb6-3e7067faf0be" xlink:to="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember_26e48c38-ed08-467f-bfe9-205c49566f91" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_eef84634-d0e4-4ada-b979-71a757e84a0e" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_e5ef9a86-7971-43aa-96d9-4f4ff68bd4bb" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_eef84634-d0e4-4ada-b979-71a757e84a0e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_eef84634-d0e4-4ada-b979-71a757e84a0e_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_eef84634-d0e4-4ada-b979-71a757e84a0e" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_eef84634-d0e4-4ada-b979-71a757e84a0e_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_ec002892-c378-4cd8-aaf9-8829fbfda888" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_eef84634-d0e4-4ada-b979-71a757e84a0e" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_ec002892-c378-4cd8-aaf9-8829fbfda888" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MediumTermNotesMember_8082084a-5dea-4d16-970b-fc811015bb07" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MediumTermNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_ec002892-c378-4cd8-aaf9-8829fbfda888" xlink:to="loc_us-gaap_MediumTermNotesMember_8082084a-5dea-4d16-970b-fc811015bb07" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredDebtMember_7cd67024-8c8c-40f8-ae7d-f0600be31d56" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_SecuredDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_ec002892-c378-4cd8-aaf9-8829fbfda888" xlink:to="loc_us-gaap_SecuredDebtMember_7cd67024-8c8c-40f8-ae7d-f0600be31d56" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SeniorSecuredNotesMember_a1c5919a-8560-4344-b654-60dffb70c43e" xlink:href="sabr-20250930.xsd#sabr_SeniorSecuredNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_ec002892-c378-4cd8-aaf9-8829fbfda888" xlink:to="loc_sabr_SeniorSecuredNotesMember_a1c5919a-8560-4344-b654-60dffb70c43e" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_93281e5e-8caa-4ec9-9d1e-61e6a23c92e1" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable_e5ef9a86-7971-43aa-96d9-4f4ff68bd4bb" xlink:to="loc_us-gaap_DebtInstrumentAxis_93281e5e-8caa-4ec9-9d1e-61e6a23c92e1" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_93281e5e-8caa-4ec9-9d1e-61e6a23c92e1_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_93281e5e-8caa-4ec9-9d1e-61e6a23c92e1" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_93281e5e-8caa-4ec9-9d1e-61e6a23c92e1_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_2f9bfb42-52a4-4a1a-99d9-f431d8de4206" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_93281e5e-8caa-4ec9-9d1e-61e6a23c92e1" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_2f9bfb42-52a4-4a1a-99d9-f431d8de4206" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_A2021TermLoanB1Member_a587d19a-dab6-4cc7-ac40-b986e9c9f3b2" xlink:href="sabr-20250930.xsd#sabr_A2021TermLoanB1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_2f9bfb42-52a4-4a1a-99d9-f431d8de4206" xlink:to="loc_sabr_A2021TermLoanB1Member_a587d19a-dab6-4cc7-ac40-b986e9c9f3b2" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_A2021TermLoanB2Member_1f6cd27f-4586-4771-92b5-e24eb2537ea7" xlink:href="sabr-20250930.xsd#sabr_A2021TermLoanB2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_2f9bfb42-52a4-4a1a-99d9-f431d8de4206" xlink:to="loc_sabr_A2021TermLoanB2Member_1f6cd27f-4586-4771-92b5-e24eb2537ea7" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_A2022TermLoanB1Member_7c413932-d58e-4641-a9fd-fa015f8f291a" xlink:href="sabr-20250930.xsd#sabr_A2022TermLoanB1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_2f9bfb42-52a4-4a1a-99d9-f431d8de4206" xlink:to="loc_sabr_A2022TermLoanB1Member_7c413932-d58e-4641-a9fd-fa015f8f291a" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_A2022TermLoanB2Member_3c8e7318-3330-433c-8a55-e4dc486de71c" xlink:href="sabr-20250930.xsd#sabr_A2022TermLoanB2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_2f9bfb42-52a4-4a1a-99d9-f431d8de4206" xlink:to="loc_sabr_A2022TermLoanB2Member_3c8e7318-3330-433c-8a55-e4dc486de71c" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_A2024TermLoanB1Member_f3aaff0a-039e-420e-8fef-1fbe098096cc" xlink:href="sabr-20250930.xsd#sabr_A2024TermLoanB1Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_2f9bfb42-52a4-4a1a-99d9-f431d8de4206" xlink:to="loc_sabr_A2024TermLoanB1Member_f3aaff0a-039e-420e-8fef-1fbe098096cc" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_A2024TermLoanB2Member_4941a1ae-9ac7-48b1-a05c-22bc7f432b40" xlink:href="sabr-20250930.xsd#sabr_A2024TermLoanB2Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_2f9bfb42-52a4-4a1a-99d9-f431d8de4206" xlink:to="loc_sabr_A2024TermLoanB2Member_4941a1ae-9ac7-48b1-a05c-22bc7f432b40" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SeniorSecuredTermLoanFacilityDue2028Member_73a31ee9-1a13-4cc1-9216-16923b5af9d5" xlink:href="sabr-20250930.xsd#sabr_SeniorSecuredTermLoanFacilityDue2028Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_2f9bfb42-52a4-4a1a-99d9-f431d8de4206" xlink:to="loc_sabr_SeniorSecuredTermLoanFacilityDue2028Member_73a31ee9-1a13-4cc1-9216-16923b5af9d5" xlink:type="arc" order="6"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SeniorSecuredNotes925Due2025Member_d1cd2355-2300-4288-a121-b92759699f10" xlink:href="sabr-20250930.xsd#sabr_SeniorSecuredNotes925Due2025Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_2f9bfb42-52a4-4a1a-99d9-f431d8de4206" xlink:to="loc_sabr_SeniorSecuredNotes925Due2025Member_d1cd2355-2300-4288-a121-b92759699f10" xlink:type="arc" order="7"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SeniorSecuredNotes7375Due2025Member_a7ae3707-2888-4676-b04e-a55f01d3b10c" xlink:href="sabr-20250930.xsd#sabr_SeniorSecuredNotes7375Due2025Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_2f9bfb42-52a4-4a1a-99d9-f431d8de4206" xlink:to="loc_sabr_SeniorSecuredNotes7375Due2025Member_a7ae3707-2888-4676-b04e-a55f01d3b10c" xlink:type="arc" order="8"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SeniorExchangeableNotes400Due2025Member_f391b998-631e-4f55-9b17-e1ee0cf9f29b" xlink:href="sabr-20250930.xsd#sabr_SeniorExchangeableNotes400Due2025Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_2f9bfb42-52a4-4a1a-99d9-f431d8de4206" xlink:to="loc_sabr_SeniorExchangeableNotes400Due2025Member_f391b998-631e-4f55-9b17-e1ee0cf9f29b" xlink:type="arc" order="9"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SeniorExchangeableNotes7.32Due2026Member_97089d91-2f69-46b1-be66-8842e64a2064" xlink:href="sabr-20250930.xsd#sabr_SeniorExchangeableNotes7.32Due2026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_2f9bfb42-52a4-4a1a-99d9-f431d8de4206" xlink:to="loc_sabr_SeniorExchangeableNotes7.32Due2026Member_97089d91-2f69-46b1-be66-8842e64a2064" xlink:type="arc" order="10"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SeniorSecuredNotes8625Due2027Member_466a1105-ba2c-42de-b22f-8c34fce5e08f" xlink:href="sabr-20250930.xsd#sabr_SeniorSecuredNotes8625Due2027Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_2f9bfb42-52a4-4a1a-99d9-f431d8de4206" xlink:to="loc_sabr_SeniorSecuredNotes8625Due2027Member_466a1105-ba2c-42de-b22f-8c34fce5e08f" xlink:type="arc" order="11"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SeniorSecuredNotes1125Due2027Member_710bd184-41fd-482f-8930-8a261784afb2" xlink:href="sabr-20250930.xsd#sabr_SeniorSecuredNotes1125Due2027Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_2f9bfb42-52a4-4a1a-99d9-f431d8de4206" xlink:to="loc_sabr_SeniorSecuredNotes1125Due2027Member_710bd184-41fd-482f-8930-8a261784afb2" xlink:type="arc" order="12"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SeniorSecuredNotes10.75Due2029Member_4afca518-4f37-4ca8-844b-ab16ee5a4eef" xlink:href="sabr-20250930.xsd#sabr_SeniorSecuredNotes10.75Due2029Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_2f9bfb42-52a4-4a1a-99d9-f431d8de4206" xlink:to="loc_sabr_SeniorSecuredNotes10.75Due2029Member_4afca518-4f37-4ca8-844b-ab16ee5a4eef" xlink:type="arc" order="13"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SeniorSecuredNotes11.125Due2030Member_1609b40e-39cc-4cbb-9a8e-f298abc82f7f" xlink:href="sabr-20250930.xsd#sabr_SeniorSecuredNotes11.125Due2030Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_2f9bfb42-52a4-4a1a-99d9-f431d8de4206" xlink:to="loc_sabr_SeniorSecuredNotes11.125Due2030Member_1609b40e-39cc-4cbb-9a8e-f298abc82f7f" xlink:type="arc" order="14"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_1cab2ee1-0813-4224-a621-6650488b53e5" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_66ec04ca-3da6-41e5-b8bc-3f6f8b0821d2" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_1cab2ee1-0813-4224-a621-6650488b53e5" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFairValue_ffce555b-4a6d-444a-ba29-6c077177153b" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentFairValue"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_66ec04ca-3da6-41e5-b8bc-3f6f8b0821d2" xlink:to="loc_us-gaap_DebtInstrumentFairValue_ffce555b-4a6d-444a-ba29-6c077177153b" xlink:type="arc" order="1"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.sabre.com/role/AccumulatedOtherComprehensiveLossScheduleofComponentsofAccumulatedOtherComprehensiveLossNetofRelatedDeferredIncomeTaxesDetails" xlink:type="simple" xlink:href="sabr-20250930.xsd#AccumulatedOtherComprehensiveLossScheduleofComponentsofAccumulatedOtherComprehensiveLossNetofRelatedDeferredIncomeTaxesDetails"/>
  <link:definitionLink xlink:role="http://www.sabre.com/role/AccumulatedOtherComprehensiveLossScheduleofComponentsofAccumulatedOtherComprehensiveLossNetofRelatedDeferredIncomeTaxesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_5ee01c8e-e0ab-40d7-ba03-5a43a77823d7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_7dba19c6-6ca7-4d56-af30-87f12ce7e519" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_5ee01c8e-e0ab-40d7-ba03-5a43a77823d7" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_7dba19c6-6ca7-4d56-af30-87f12ce7e519" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_fe20f0d4-8715-414f-b231-9952df273d83" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_7dba19c6-6ca7-4d56-af30-87f12ce7e519" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_fe20f0d4-8715-414f-b231-9952df273d83" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_fe20f0d4-8715-414f-b231-9952df273d83_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_fe20f0d4-8715-414f-b231-9952df273d83" xlink:to="loc_us-gaap_EquityComponentDomain_fe20f0d4-8715-414f-b231-9952df273d83_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_a754ca79-5967-48d9-a1e6-f8310f9f7212" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_EquityComponentDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_fe20f0d4-8715-414f-b231-9952df273d83" xlink:to="loc_us-gaap_EquityComponentDomain_a754ca79-5967-48d9-a1e6-f8310f9f7212" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_e3c3a67d-bebd-42c9-9790-30b53b288b91" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityComponentDomain_a754ca79-5967-48d9-a1e6-f8310f9f7212" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_e3c3a67d-bebd-42c9-9790-30b53b288b91" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_17321c64-9fb1-41d6-9687-8273a2411c32" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_e3c3a67d-bebd-42c9-9790-30b53b288b91" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_17321c64-9fb1-41d6-9687-8273a2411c32" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedTranslationAdjustmentMember_a8770721-5e26-4139-a5ae-36153a1ccc87" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedTranslationAdjustmentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_e3c3a67d-bebd-42c9-9790-30b53b288b91" xlink:to="loc_us-gaap_AccumulatedTranslationAdjustmentMember_a8770721-5e26-4139-a5ae-36153a1ccc87" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_2a5ab3a0-09ae-4c0e-a760-f18235ae09a8" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_e3c3a67d-bebd-42c9-9790-30b53b288b91" xlink:to="loc_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_2a5ab3a0-09ae-4c0e-a760-f18235ae09a8" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AociEquityMethodInvestmentParentMember_97d7f463-92a9-41cd-a34f-36b3a38dfe2d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AociEquityMethodInvestmentParentMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_e3c3a67d-bebd-42c9-9790-30b53b288b91" xlink:to="loc_us-gaap_AociEquityMethodInvestmentParentMember_97d7f463-92a9-41cd-a34f-36b3a38dfe2d" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_9eb9fc9d-3818-4dff-a8cb-18a55c9a9aad" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_5ee01c8e-e0ab-40d7-ba03-5a43a77823d7" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_9eb9fc9d-3818-4dff-a8cb-18a55c9a9aad" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.sabre.com/role/StockandStockholdersEquityDetails" xlink:type="simple" xlink:href="sabr-20250930.xsd#StockandStockholdersEquityDetails"/>
  <link:definitionLink xlink:role="http://www.sabre.com/role/StockandStockholdersEquityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockLineItems_b5516bee-f877-4308-8fc0-f0e37887ec10" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ClassOfStockLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable_f2275ee8-aff4-49e1-8044-9b865c92022f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfStockByClassTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfStockLineItems_b5516bee-f877-4308-8fc0-f0e37887ec10" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_f2275ee8-aff4-49e1-8044-9b865c92022f" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_5bd58428-2bd0-4ba6-8ce0-d0cc8e796b97" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_f2275ee8-aff4-49e1-8044-9b865c92022f" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_5bd58428-2bd0-4ba6-8ce0-d0cc8e796b97" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_5bd58428-2bd0-4ba6-8ce0-d0cc8e796b97_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_5bd58428-2bd0-4ba6-8ce0-d0cc8e796b97" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_5bd58428-2bd0-4ba6-8ce0-d0cc8e796b97_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_01f3e062-96d7-4c0d-bed6-13c3c9756cf0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_5bd58428-2bd0-4ba6-8ce0-d0cc8e796b97" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_01f3e062-96d7-4c0d-bed6-13c3c9756cf0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertibleDebtMember_b49ff9fd-b150-481e-bf1c-e469bb62c39f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ConvertibleDebtMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_01f3e062-96d7-4c0d-bed6-13c3c9756cf0" xlink:to="loc_us-gaap_ConvertibleDebtMember_b49ff9fd-b150-481e-bf1c-e469bb62c39f" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_020d5577-93ce-40c4-b917-5f8c71aba40f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_f2275ee8-aff4-49e1-8044-9b865c92022f" xlink:to="loc_us-gaap_DebtInstrumentAxis_020d5577-93ce-40c4-b917-5f8c71aba40f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_020d5577-93ce-40c4-b917-5f8c71aba40f_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_020d5577-93ce-40c4-b917-5f8c71aba40f" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_020d5577-93ce-40c4-b917-5f8c71aba40f_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_aeabe7af-604c-4e98-a41f-fbd2e781484c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_020d5577-93ce-40c4-b917-5f8c71aba40f" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_aeabe7af-604c-4e98-a41f-fbd2e781484c" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SeniorExchangeableNotes4.00Due2025AndSeniorExchangeableNotes7.32Due2026Member_9476e91a-a934-43e5-9ebd-5ce8e4df8cda" xlink:href="sabr-20250930.xsd#sabr_SeniorExchangeableNotes4.00Due2025AndSeniorExchangeableNotes7.32Due2026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_aeabe7af-604c-4e98-a41f-fbd2e781484c" xlink:to="loc_sabr_SeniorExchangeableNotes4.00Due2025AndSeniorExchangeableNotes7.32Due2026Member_9476e91a-a934-43e5-9ebd-5ce8e4df8cda" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SeniorExchangeableNotes400Due2025Member_29261b6a-265f-4e0a-8d2c-42944f49e9dd" xlink:href="sabr-20250930.xsd#sabr_SeniorExchangeableNotes400Due2025Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_sabr_SeniorExchangeableNotes4.00Due2025AndSeniorExchangeableNotes7.32Due2026Member_9476e91a-a934-43e5-9ebd-5ce8e4df8cda" xlink:to="loc_sabr_SeniorExchangeableNotes400Due2025Member_29261b6a-265f-4e0a-8d2c-42944f49e9dd" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SeniorExchangeableNotes7.32Due2026Member_fa03346a-b3c1-4a23-a9a5-46383ec0c940" xlink:href="sabr-20250930.xsd#sabr_SeniorExchangeableNotes7.32Due2026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_sabr_SeniorExchangeableNotes4.00Due2025AndSeniorExchangeableNotes7.32Due2026Member_9476e91a-a934-43e5-9ebd-5ce8e4df8cda" xlink:to="loc_sabr_SeniorExchangeableNotes7.32Due2026Member_fa03346a-b3c1-4a23-a9a5-46383ec0c940" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StockRepurchaseProgramAuthorizedAmount1_d9c44c09-cd83-4d15-baf1-3d444db3cfb8" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_StockRepurchaseProgramAuthorizedAmount1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_b5516bee-f877-4308-8fc0-f0e37887ec10" xlink:to="loc_srt_StockRepurchaseProgramAuthorizedAmount1_d9c44c09-cd83-4d15-baf1-3d444db3cfb8" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchasedDuringPeriodShares_54e705dd-db05-44d3-81fd-a2f2427827d0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockRepurchasedDuringPeriodShares"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_b5516bee-f877-4308-8fc0-f0e37887ec10" xlink:to="loc_us-gaap_StockRepurchasedDuringPeriodShares_54e705dd-db05-44d3-81fd-a2f2427827d0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_e049dead-b4a5-4ea4-9c05-a82e5709686f" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_b5516bee-f877-4308-8fc0-f0e37887ec10" xlink:to="loc_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_e049dead-b4a5-4ea4-9c05-a82e5709686f" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_9d49cdf9-ce90-473a-b5a8-c721e0217653" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_b5516bee-f877-4308-8fc0-f0e37887ec10" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_9d49cdf9-ce90-473a-b5a8-c721e0217653" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtConversionOriginalDebtAmount1_dd2b0b6a-45fc-4d5f-80d9-188a7d198a11" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtConversionOriginalDebtAmount1"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_b5516bee-f877-4308-8fc0-f0e37887ec10" xlink:to="loc_us-gaap_DebtConversionOriginalDebtAmount1_dd2b0b6a-45fc-4d5f-80d9-188a7d198a11" xlink:type="arc" order="4"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromConvertibleDebt_3d20408a-02c1-45e0-9f4d-2d02248bfd32" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ProceedsFromConvertibleDebt"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_b5516bee-f877-4308-8fc0-f0e37887ec10" xlink:to="loc_us-gaap_ProceedsFromConvertibleDebt_3d20408a-02c1-45e0-9f4d-2d02248bfd32" xlink:type="arc" order="5"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_1308a314-8b5a-43c7-9986-65627a339669" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_b5516bee-f877-4308-8fc0-f0e37887ec10" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_1308a314-8b5a-43c7-9986-65627a339669" xlink:type="arc" order="6"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.sabre.com/role/EarningsPerShareNarrativeDetails" xlink:type="simple" xlink:href="sabr-20250930.xsd#EarningsPerShareNarrativeDetails"/>
  <link:definitionLink xlink:role="http://www.sabre.com/role/EarningsPerShareNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_f93caa68-3ef8-48a9-872c-24e008d60012" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_c713cfad-53c7-4dbf-a603-92b5eeef929c" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_f93caa68-3ef8-48a9-872c-24e008d60012" xlink:to="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_c713cfad-53c7-4dbf-a603-92b5eeef929c" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_7c53f38d-405f-4043-a755-0bd8d2eaef8d" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_c713cfad-53c7-4dbf-a603-92b5eeef929c" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_7c53f38d-405f-4043-a755-0bd8d2eaef8d" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_7c53f38d-405f-4043-a755-0bd8d2eaef8d_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_7c53f38d-405f-4043-a755-0bd8d2eaef8d" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_7c53f38d-405f-4043-a755-0bd8d2eaef8d_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain_c6fa14f8-b2fd-44db-a39c-83b48f497aa4" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_7c53f38d-405f-4043-a755-0bd8d2eaef8d" xlink:to="loc_us-gaap_AntidilutiveSecuritiesNameDomain_c6fa14f8-b2fd-44db-a39c-83b48f497aa4" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_RestrictedStockAndOptionsMember_eee79696-6d20-4eab-8601-05354bd9f665" xlink:href="sabr-20250930.xsd#sabr_RestrictedStockAndOptionsMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_c6fa14f8-b2fd-44db-a39c-83b48f497aa4" xlink:to="loc_sabr_RestrictedStockAndOptionsMember_eee79696-6d20-4eab-8601-05354bd9f665" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_f276e04c-bea8-4ea1-9b99-415d59a020b0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_CommonStockMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_c6fa14f8-b2fd-44db-a39c-83b48f497aa4" xlink:to="loc_us-gaap_CommonStockMember_f276e04c-bea8-4ea1-9b99-415d59a020b0" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertibleDebtSecuritiesMember_eba443e6-b78f-4476-96fc-0f3a57e4d458" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ConvertibleDebtSecuritiesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain_c6fa14f8-b2fd-44db-a39c-83b48f497aa4" xlink:to="loc_us-gaap_ConvertibleDebtSecuritiesMember_eba443e6-b78f-4476-96fc-0f3a57e4d458" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_817f2104-7b09-4031-a332-4516f314b184" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_c713cfad-53c7-4dbf-a603-92b5eeef929c" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_817f2104-7b09-4031-a332-4516f314b184" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_817f2104-7b09-4031-a332-4516f314b184_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_817f2104-7b09-4031-a332-4516f314b184" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_817f2104-7b09-4031-a332-4516f314b184_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_e2e30a52-3a8a-4e60-9e3d-3b4d6dfbc627" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_817f2104-7b09-4031-a332-4516f314b184" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_e2e30a52-3a8a-4e60-9e3d-3b4d6dfbc627" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SeniorSecuredNotesMember_95853793-bd13-4049-80f8-d57451b394d4" xlink:href="sabr-20250930.xsd#sabr_SeniorSecuredNotesMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_e2e30a52-3a8a-4e60-9e3d-3b4d6dfbc627" xlink:to="loc_sabr_SeniorSecuredNotesMember_95853793-bd13-4049-80f8-d57451b394d4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_e1bd61ba-7722-46dc-9afa-b1e76a32d142" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_c713cfad-53c7-4dbf-a603-92b5eeef929c" xlink:to="loc_us-gaap_DebtInstrumentAxis_e1bd61ba-7722-46dc-9afa-b1e76a32d142" xlink:type="arc" order="3"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_e1bd61ba-7722-46dc-9afa-b1e76a32d142_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_e1bd61ba-7722-46dc-9afa-b1e76a32d142" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_e1bd61ba-7722-46dc-9afa-b1e76a32d142_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_dd66ad73-b47a-41b5-91a3-b710029f3ebf" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_e1bd61ba-7722-46dc-9afa-b1e76a32d142" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_dd66ad73-b47a-41b5-91a3-b710029f3ebf" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_SeniorExchangeableNotes4.00Due2025AndSeniorExchangeableNotes7.32Due2026Member_9ffdc62f-1600-4c3b-8734-cfcbefdb95c4" xlink:href="sabr-20250930.xsd#sabr_SeniorExchangeableNotes4.00Due2025AndSeniorExchangeableNotes7.32Due2026Member"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_dd66ad73-b47a-41b5-91a3-b710029f3ebf" xlink:to="loc_sabr_SeniorExchangeableNotes4.00Due2025AndSeniorExchangeableNotes7.32Due2026Member_9ffdc62f-1600-4c3b-8734-cfcbefdb95c4" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_374304a3-4a57-4c98-a81a-02cc4deb89af" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_f93caa68-3ef8-48a9-872c-24e008d60012" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_374304a3-4a57-4c98-a81a-02cc4deb89af" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://www.sabre.com/role/ContingenciesDetails" xlink:type="simple" xlink:href="sabr-20250930.xsd#ContingenciesDetails"/>
  <link:definitionLink xlink:role="http://www.sabre.com/role/ContingenciesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesLineItems_5dc380f8-9d89-4662-9f07-ff11eda7d5fe" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LossContingenciesLineItems"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesTable_a8485d18-c023-4f99-8439-c187e9fbfce3" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LossContingenciesTable"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_LossContingenciesLineItems_5dc380f8-9d89-4662-9f07-ff11eda7d5fe" xlink:to="loc_us-gaap_LossContingenciesTable_a8485d18-c023-4f99-8439-c187e9fbfce3" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_LitigationCaseAxis_efdbe9c5-e5ed-4f2e-b201-1e502a29dde8" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_LitigationCaseAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_a8485d18-c023-4f99-8439-c187e9fbfce3" xlink:to="loc_srt_LitigationCaseAxis_efdbe9c5-e5ed-4f2e-b201-1e502a29dde8" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_LitigationCaseTypeDomain_efdbe9c5-e5ed-4f2e-b201-1e502a29dde8_default" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_LitigationCaseTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_srt_LitigationCaseAxis_efdbe9c5-e5ed-4f2e-b201-1e502a29dde8" xlink:to="loc_srt_LitigationCaseTypeDomain_efdbe9c5-e5ed-4f2e-b201-1e502a29dde8_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_LitigationCaseTypeDomain_4d10ed09-d8ac-43ff-b311-edf5477a34d3" xlink:href="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd#srt_LitigationCaseTypeDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_srt_LitigationCaseAxis_efdbe9c5-e5ed-4f2e-b201-1e502a29dde8" xlink:to="loc_srt_LitigationCaseTypeDomain_4d10ed09-d8ac-43ff-b311-edf5477a34d3" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_sabr_IndianIncomeTaxLitigationMember_280358a0-81cd-47a4-9676-7a3b1dbd2242" xlink:href="sabr-20250930.xsd#sabr_IndianIncomeTaxLitigationMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_srt_LitigationCaseTypeDomain_4d10ed09-d8ac-43ff-b311-edf5477a34d3" xlink:to="loc_sabr_IndianIncomeTaxLitigationMember_280358a0-81cd-47a4-9676-7a3b1dbd2242" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityAxis_ed043815-db20-45d8-a34c-53ea58d1ba26" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxAuthorityAxis"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_LossContingenciesTable_a8485d18-c023-4f99-8439-c187e9fbfce3" xlink:to="loc_us-gaap_IncomeTaxAuthorityAxis_ed043815-db20-45d8-a34c-53ea58d1ba26" xlink:type="arc" order="2"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityDomain_ed043815-db20-45d8-a34c-53ea58d1ba26_default" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxAuthorityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_IncomeTaxAuthorityAxis_ed043815-db20-45d8-a34c-53ea58d1ba26" xlink:to="loc_us-gaap_IncomeTaxAuthorityDomain_ed043815-db20-45d8-a34c-53ea58d1ba26_default" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxAuthorityDomain_10d63f27-cd4f-44ee-9ce3-6c3ebd87e095" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxAuthorityDomain"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_IncomeTaxAuthorityAxis_ed043815-db20-45d8-a34c-53ea58d1ba26" xlink:to="loc_us-gaap_IncomeTaxAuthorityDomain_10d63f27-cd4f-44ee-9ce3-6c3ebd87e095" xlink:type="arc" order="1"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCountryMember_28888aa7-9d22-43b5-a548-35a7d4ad2dc0" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ForeignCountryMember"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_IncomeTaxAuthorityDomain_10d63f27-cd4f-44ee-9ce3-6c3ebd87e095" xlink:to="loc_us-gaap_ForeignCountryMember_28888aa7-9d22-43b5-a548-35a7d4ad2dc0" xlink:type="arc" order="0"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExaminationEstimateOfPossibleLoss_d47265e8-8d68-4b03-912b-7a96b5b0c2c7" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxExaminationEstimateOfPossibleLoss"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LossContingenciesLineItems_5dc380f8-9d89-4662-9f07-ff11eda7d5fe" xlink:to="loc_us-gaap_IncomeTaxExaminationEstimateOfPossibleLoss_d47265e8-8d68-4b03-912b-7a96b5b0c2c7" xlink:type="arc" order="0"/>
  </link:definitionLink>
  <link:roleRef roleURI="http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists" xlink:type="simple" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-roles-2025.xsd#eedm"/>
  <link:definitionLink xlink:role="http://fasb.org/us-gaap/role/eedm/ExtensibleEnumerationLists" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrentAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_LiabilitiesCurrentAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAccruedLiabilitiesCurrent" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherAccruedLiabilitiesCurrent"/>
    <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LiabilitiesCurrentAbstract" xlink:to="loc_us-gaap_OtherAccruedLiabilitiesCurrent" xlink:type="arc" order="41"/>
  </link:definitionLink>
</link:linkbase>
