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:

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 independence. To act …

assert oneself, to insist on one's rights, declare one's views forcefully, etc. The candidate finally asserted himself about property taxes

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

Feb 21, 2026 · assert (third-person singular simple present asserts, present participle asserting, simple past and past participle asserted) To declare with assurance or plainly and strongly; to state positively.

Assert definition: To state or express positively; affirm.

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.

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