The meaning of MAINTAIN is to keep in an existing state (as of repair, efficiency, or validity) : preserve from failure or decline. How to use maintain in a sentence.

Some common synonyms of maintain are assert, defend, justify, and vindicate. While all these words mean "to uphold as true, right, just, or reasonable," maintain stresses firmness of conviction.

MAINTAIN definition: 1. to continue to have; to keep in existence, or not allow to become less: 2. to keep a road…. Learn more.

1. to keep in existence or continuance; preserve. 2. to keep in due condition, operation, or force. 4. to affirm; assert; declare. 5. to support in speech or argument. 6. to keep or hold against attack. 7. to provide for the upkeep or support of. main•tain′a•ble, adj. main•tain′er, n.

MAINTAIN meaning: 1. to make a situation or activity continue in the same way: 2. to keep a building or area in good…. Learn more.

Learn all about the word "MAINTAIN" in English: definitions, translations, synonyms, pronunciations, examples, and grammar insights - all in one complete resource.

There are 31 meanings listed in OED's entry for the verb maintain, 14 of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence. How common is …

MAINTAINING definition: to continue or retain ; keep in existence | Meaning, pronunciation, translations and examples in American English

MAINTAIN meaning: 1. to continue to have; to keep in existence, or not allow to become less: 2. to keep a road…. Learn more.

Maintain means to keep the same––keep steady, keep up, or keep going. Sure, you can ride your bike super fast on a flat surface, but it can be hard to maintain that speed, or keep the same speed, going up a hill.