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.

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

Maintain, assert, aver, allege, hold, state all mean to express an opinion, judgment, or position. Maintain carries the implications of both firmness and persistence in declaring or supporting a conviction: She …

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 …

Find 173 different ways to say MAINTAIN, along with antonyms, related words, and example sentences at Thesaurus.com.

Definition of maintain verb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Nov 19, 2025 · maintain (third-person singular simple present maintains, present participle maintaining, simple past and past participle maintained) It’s important to maintain good posture while sitting. She …

If you say that someone maintains that something is true, you mean that they have stated their opinion strongly but not everyone agrees with them or believes them. He has maintained that the money was …

maintain, v. meanings, etymology, pronunciation and more in the Oxford English Dictionary

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.