maintenance - definition and synonyms

noun [uncountable] 

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  1. 1
    work that is done to keep something such as a building, machine, or piece of equipment repaired and in good condition

    the aircraft maintenance crew

  2. 2
    the process of continuing something or keeping it in existence
    maintenance of:

    the maintenance of international peace and security

  3. 3
    money that you pay to your ex-wife or ex-husband to help her or him and your children after you are divorced