Also found in: Thesaurus, Medical, Legal, Financial, Acronyms, Idioms, Encyclopedia, Wikipedia.


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.
Mentioned in ?
References in periodicals archive ?
The ECP, after the arguments from all sides, reserved its decision on the maintainability of the petition.
The court adjourning the matter till March 1 sought further arguments on maintainability.
After hearing initial arguments, the court reserved verdict on maintainability of the writ petition.
The author has organized the thirteen chapters that make up the main body of his text in three parts devoted to reliability engineering, maintainability engineering, and supportability engineering.
The petitioner-lawyer said that the bench had no jurisdiction to seek arguments on the maintainability point.
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.
THE FOUR ESSENTIAL PRINCIPLES UNDERLYING reliable systems are availability, security, integrity and maintainability.
The selection factors most often mentioned by buyers of dryers and other auxiliaries is reliability and maintainability.