The meaning of ASSURE is to make sure or certain : convince. How to use assure in a sentence. Usage of Assure, Ensure, and Insure: Usage Guide Synonym Discussion of Assure.

ASSURE definition: to declare earnestly to; inform or tell positively; state with confidence to. See examples of assure used in a sentence.

ASSURE definition: 1. to tell someone confidently that something is true, especially so that they do not worry: 2. to…. Learn more.

If you assure your boss that you’ll finish your project by Tuesday, you are making a promise or commitment to have it done by Tuesday. The verbs insure and ensure look and sound like assure …

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

To assure someone of doing something is to make it certain that someone will do something. A victory in this game will assure them of finishing the season with a winning record. I can assure you that you …

If you assure someone that something is true or will happen, you tell them that it is definitely true or will definitely happen, often in order to make them less worried.

as•sure (ə shŏŏr′, ə shûr′), v.t., -sured, -sur•ing. state with confidence to: She assured us that everything would turn out all right. reassure: He assured himself that no one was left on the bus. guarantee: He …

Dec 31, 2025 · assure (third-person singular simple present assures, present participle assuring, simple past and past participle assured) (transitive) To make sure and secure; ensure.

If you assure someone that something is true or will happen, you tell them that it is definitely true or will definitely happen, often in order to make them less worried.