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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.


the facility with which something can be maintained


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.
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References in periodicals archive ?
The court reserved the judgement on the maintainability of the petition and adjourned hearing till next date to be set by the office.
The petitioner-lawyer said that the bench had no jurisdiction to seek arguments on the maintainability point.
The petitioner pleaded the court to set aside orders for inspection of record and tribunal be directed to decide the maintainability of the election petition first as per Supreme Court orders.
Customers continue to benefit from our technology with improved gate quality, balance, ease of use and maintainability.
Once deployed, the PTC solutions are intended to allow greater collaboration across the MRJ project teams focused on ensuring the quality, reliability, and maintainability of the aircraft.
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.
It is increasingly clear that maintainability, maintenance, reliability professionals must work with other personnel during the design and other early phases of product and system design, says Dhillon (mechanical engineering, U.
TPQ-37 upgrades deliver benefits of significantly higher reliability, improved maintainability and performance derived from a modular transmitter.
LAHORE -- A full bench of the Lahore High Court Tuesday adjourning hearing of a petition seeking directions to lodge a complaint under Article six against PTI Chairman Imran Khan and PAT Chief Dr TahirulQadri till December 17, asked a federal law officer to file reply on its maintainability.
LAHORE -- Lahore High Court (LHC) has reserved judgment on the maintainability of the petition seeking conduct of trial of 21 persons including chief minister Punjab nominated in Model Town incident by 5-member bench of high court and inclusion of treason clauses in the case.
ISLAMABAD -- Islamabad High Court (IHC) Wednesday reserved the decision on the maintainability of the petition challenging the constitution of the special court for treason trial of former president Pervez Musharraf, media reported.
Contract notice: assistance to work in operability and maintainability for the tram project antony-clamart.