to keep in an appropriate condition, operation, or force; keep unimpaired: to maintain order; to maintain public highways.
to keep in a specified state, position, etc.: to maintain a correct posture; to maintain good health.
to support in speech or argument, as a statement or proposition.
to keep or hold against attack: to maintain one's ground.
to provide for the upkeep or support of; carry the expenses of: to maintain a family.
to sustain or support: not enough water to maintain life.
- main·tain·a·ble, adjective
- main·tain·a·bil·i·ty, noun
- main·tain·er, noun
- pre·main·tain, verb (used with object)
- self-main·tained, adjective
- self-main·tain·ing, adjective
- un·der·main·tain, verb (used with object)
- un·der·main·tained, adjective
- un·main·tain·a·ble, adjective
- un·main·tained, adjective
- well-main·tained, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use maintain in a sentence
If the hair color is changed, it must be natural looking and well-maintained.Disney Parks’ Craziest Corporate Rules: Beards OK, Tattoos Still Out | | January 25, 2012 | THE DAILY BEAST
By this means unity and peace were on the whole well maintained in the Order during his Generalship.Saint Bonaventure | Rev. Fr. Laurence Costelloe, O.F.M.
A road is not merely so many miles of highway, more or less well-maintained.The Dover Road | Charles G. Harper
The British airman, however, well maintained his ascendency.Tommy Atkins at War | James Alexander Kilpatrick
It was in this splendid cruise, too, that she gained her well-maintained reputation for being a lucky ship.Twelve Naval Captains | Molly Elliot Seawell
They have pretty well maintained that reputation since the time of Friar Thomas Gage.Mexico and its Religion | Robert A. Wilson
British Dictionary definitions for maintain
to continue or retain; keep in existence
to keep in proper or good condition: to maintain a building
to support a style of living: the money maintained us for a month
(takes a clause as object) to state or assert: he maintained that Talbot was wrong
to defend against contradiction; uphold: she maintained her innocence
to defend against physical attack
- maintainable, adjective
- maintainer, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012