Princeton's WordNet

1. care, maintenance, upkeep(noun)

   activity involved in maintaining something in good working order

   "he wrote the manual on car care"

2. maintenance(noun)

   means of maintenance of a family or group

3. alimony, maintenance(noun)

   court-ordered support paid by one spouse to another after they are separated

4. sustenance, sustentation, sustainment, maintenance, upkeep(noun)

   the act of sustaining life by food or providing a means of subsistence

   "they were in want of sustenance"; "fishing was their main sustainment"

5. maintenance, criminal maintenance(noun)

   the unauthorized interference in a legal action by a person having no interest in it (as by helping one party with money or otherwise to continue the action) so as to obstruct justice or promote unnecessary litigation or unsettle the peace of the community

   "unlike champerty, criminal maintenance does not necessarily involve personal profit"

Kernerman English Learner's Dictionary

1. maintenance(noun)ˈmeɪn tə nəns

   work done to keep sth in good condition

   car maintenance; winter maintenance on our highways

2. maintenanceˈmeɪn tə nəns

   the continuation or preservation of sth

   the maintenance of good relations between the two countries

3. maintenanceˈmeɪn tə nəns

   alimony or child support

   fathers who fail to pay maintenance

Wiktionary

1. maintenance(Noun)

   Actions performed to keep some machine or system functioning or in service

2. maintenance(Noun)

   A tort committed when a third party who does not have a bona fide interest in a lawsuit provides help or acquires an interest to a litigant's lawsuit.

Origin: From mayntenaunce, from maintenance, from maintenir, from .

Webster Dictionary

1. Maintenance(noun)

   the act of maintaining; sustenance; support; defense; vindication

2. Maintenance(noun)

   that which maintains or supports; means of sustenance; supply of necessaries and conveniences

3. Maintenance(noun)

   an officious or unlawful intermeddling in a cause depending between others, by assisting either party with money or means to carry it on. See Champerty

U.S. National Library of Medicine

1. Maintenance

   The upkeep of property or equipment.

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