Definition of upkeep noun from the Oxford Advanced American Dictionary

     

    upkeep

     noun
    noun
    NAmE//ˈʌpkip//
     
    [uncountable]
     
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  1. 1upkeep (of something) the cost or process of keeping something in good condition synonym maintenance Tenants are responsible for the upkeep of rented property. Money from visitors goes toward the upkeep of the palace and grounds.
  2. 2upkeep (of somebody/something) the cost or process of giving a child or an animal the things that they need He makes payments to his ex-wife for the upkeep of their children.
See the Oxford Advanced Learner's Dictionary entry: upkeep