The meaning of ASSERT is to state or declare positively and often forcefully or aggressively. How to use assert in a sentence. Synonym Discussion of Assert.

ASSERT definition: to state with assurance, confidence, or force; state strongly or positively; affirm; aver. See examples of assert used in a sentence.

If you assert yourself, you act forcefully in a way that expresses your confidence:

If you assert your right or claim to something, you insist that you have the right to it. The republics began asserting their right to govern themselves.

To state or express positively; affirm: asserted his innocence. 2. To defend or maintain (one's rights, for example). 3. To put into action boldly; employ or demonstrate: asserted her …

to make a claim to: Minorities are now asserting their right to be heard. Idioms assert oneself, to claim one's rights or declare one's views firmly. aver: He asserted his innocence of the crime. …

assert, declare, affirm, and avow mean to say something in a way that shows you feel strongly about it, usually when you expect someone to disagree or challenge you.

Jan 20, 2026 · Verb assert (third-person singular simple present asserts, present participle asserting, simple past and past participle asserted) To declare with assurance or plainly and …

Asserting is all about standing up for what you believe. You might assert an opinion, your innocence, or even your authority over someone else. The verb assert can be used for both …

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