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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.


the facility with which something can be maintained
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


The ability of an item, under stated conditions of use, to be retained in or restored to a state in which it can perform its required functions, when maintenance is performed under stated conditions and using prescribed procedures and resources.
Dictionary of Military and Associated Terms. US Department of Defense 2005.
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References in periodicals archive ?
The entity uses procedures, people, software, data and infrastructure to achieve system availability, security, integrity and maintainability objectives in accordance with established policies and standards.
After hearing the arguments at length, the bench reserved its judgment on maintainability of the petition.
Instead of announcing its already reserved judgement, the court provided petitioner Riaz Hanif Rahi an opportunity to file additional arguments by today (Friday) and said the decision on maintainability would be announced on Monday after examining the written arguments filed by the petitioner.
However, Advocate Babar Awan, on behalf of the premier, had questioned the maintainability of the election petition saying that legal requirements had not been fulfilled.
On this, Justice Mirza reserved the verdict on maintainability of the petition against political activities of local bodies representatives.
The ECP, after the arguments from all sides, reserved its decision on the maintainability of the petition.
arguments on maintainability while adjourning the matter till
He said the tribunal had issued its decision without determining the maintainability of the petition.
This environmental initiative raises some very real concerns related to reliability and maintainability of high-tech weapon systems, as well as potential logistics issues related to configuration management, parts management, and cataloging.
The bench, however, reserved the judgment on maintainability of the case.
LAHORE -- The Lahore High Court on Tuesday directed a petitioner's counsel to come up with convincing arguments in support of maintainability of his petition that questioned power of the National Accountability Bureau (NAB) to arrest a suspect before completion of investigation.