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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.
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"
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.
For developing high yielding three line rice hybrids, the basic step is to identify maintainers having recessive fertility restorer gene or genes and restorers having dominant fertility restorer genes or gene from local or exotic germplasm sources.
They're the heart and soul of the F-16s stationed at Misawa Air Base, Japan, and it's up to Youngblood and his fellow aerospace propulsion maintainers to bring them to life.
To cover all of the bases, we decided to invest more time in the preflight and enlist the help of additional maintainers to make sure the aircraft was no longer frog infested.
A team of Brunei pilots and maintainers recently completed in-depth flight and maintenance training in Stuart, Fla.
Contract awarded for Panel for the Supply of Overhead Catenary Maintainers
Our maintainers walked away with a triumph over the machine, but learned they would later have to fix a faulty blade lockpin puller.
With the iPads and eTools Lite, access to more than 2,000 TOs is available via a simple swipe of the finger, a convenience not lost on aircraft maintainers.
On 16 February 2012, 20 Soldiers graduated from advanced individual training at the Army Ordnance School at Fort Lee, Virginia, to become the Army's first military occupational specialty (MOS) 91S Stryker systems maintainers.
Keep a bulletin board where all your maintainers can see it.
Air Force instructions require major commands (MAJCOM) to ensure OJT for 3-level aircraft maintainers upon arrival at their units from technical school.
When the maintainers were shown food pictures, their scans registered more activity in regions of the brain that control visual attention to food cues and that inhibit behavior.