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.

Find 1236 different ways to say MAINTAIN, along with antonyms, related words, and example sentences at Thesaurus.com.

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 …

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 …

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 …

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 …

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 …

Jun 26, 2025 · maintain (third-person singular simple present maintains, present participle maintaining, simple past and past participle maintained) To keep up; to preserve; to uphold (a …

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