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tr.v. main·tained, main·tain·ing, main·tains
1. To keep up or carry on; continue: maintain good relations.
2. To keep in an existing state; preserve or retain: maintain one's composure.
3. To keep in a condition of good repair or efficiency: maintain two cars.
a. To provide for; support: maintain a family.
b. To keep in existence; sustain: enough food to maintain life.
5. To defend or hold against criticism or attack: maintained his stand on taxes.
6. To declare to be true; affirm: maintained her innocence.
7. To adhere or conform to; keep: maintain a busy schedule.

[Middle English maintainen, from Old French maintenir, from Medieval Latin manutenēre, from Latin manū tenēre, to hold in the hand : manū, ablative of manus, hand; see man- in Indo-European roots + tenēre, to hold; see ten- in Indo-European roots.]

main·tain′a·bil′i·ty n.
main·tain′a·ble adj.
main·tain′er n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.maintainer - someone who upholds or maintainsmaintainer - someone who upholds or maintains; "firm upholders of tradition"; "they are sustainers of the idea of democracy"
admirer, booster, protagonist, supporter, champion, friend - a person who backs a politician or a team etc.; "all their supporters came out for the game"; "they are friends of the library"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in classic literature ?
Nay," added he, "you yourself will allow it may exist independent of all but one: so will a Mahometan, a Jew, and all the maintainers of all the different sects in the world."
PDEA-Western Visayas reported that operatives swooped down at the port area in Barangay 6, where they arrested six persons led by drug den maintainer Rhoy Traspadillo around 2 p.m.
Preliminary costs savings are estimated at about $8,500 per year, per maintainer, according to Christopher W.
*This is supported by the fact that the weight-loss maintainer group also demonstrated significantly higher levels of steps per day (12,000 steps per day) compared to participants at normal body weight (9,000 steps per day) and participants with overweight/obesity (6,500 steps per day).
"Using augmented reality tools, we can place a SME right with the maintainer doing repairs or whatever a maintainer needs help with fleet side, base side, wherever they need it," said Connor Hagerty, CARMA team lead.
The alleged maintainer of the raided laboratory managed to elude arrest.
Arrested in the dragnet were Marivic Tan Cases Cubio alias Marivic Wong (drug den maintainer), Rodelio Muana Tan Casis, Relito Wong Tan Casis, Catherine Mustacho Marqueda, and Louie Jay Ligutom.
With GeoComm Maintainer ArcGIS Desktop, GeoComm's latest version of their GIS Data Management tool, you can decrease the time and effort needed to build and maintain high quality GIS data for public safety use.
Two groups perform maintenance actions at the field level: crews/operators and maintainers. Each maintainer is responsible for specific functions at a certain level of maintenance according to a maintenance allocation chart found in the TM for each piece of equipment.
We adjusted the three levers described previously to reflect historical personnel MTOE fill rates, maintainer availability, and DLR for a heavy CAB under each scenario, and derived the following results:
In all four cases, an anterior chamber maintainer was inserted and optimal infusion pressure was attained before the intraocular procedure was performed.
Weight maintenance Regainers Maintainers Characteristic (n = 17) (n = 10) Age (y) 51.1 [+ or -] 9.6 54.4 [+ or -] 7.6 Height (m) 1.59 [+ or -] 0.13 1.61 [+ or -] 0.06 Weight (kg) 95.5 [+ or -] 19.5 80.5 [+ or -] 18.8 BMI (kg/[m.sup.2]) 38.5 [+ or -] 10.4 * 31.1 [+ or -] 6.9 Years post-surgery 11.3 [+ or -] 3.7 12.65 [+ or -] 3.7 Weight lost (%) 18.2 [+ or -] 6.3 ** 44.4 [+ or -] 5.4 Weight maintenance Total Characteristic (n = 27) Age (y) 53.2 [+ or -] 8.3 Height (m) 1.6 [+ or -] 0.09 Weight (kg) 86.0 [+ or -] 20.1 BMI (kg/[m.sup.2]) 33.8 [+ or -] 8.1 Years post-surgery 12.15 [+ or -] 3.7 Weight lost (%) 34.7 [+ or -] 14.0 Note: * p [less than or equal to] 0.05, **p [less than or equal to] 0.01 for comparisons between regainer and maintainer groups.