inform, acquaint, apprise, notify mean to make one aware of something. inform implies the imparting of knowledge especially of facts or occurrences.

INFORM definition: to give or impart knowledge of a fact or circumstance to. See examples of inform used in a sentence.

Phrasal verb inform against/on someone (Definition of inform from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

inform If you inform someone of something, you tell them about it. He intended to inform her of his objections. Inform is often followed by a 'that'-clause. I informed her that I was unwell.

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

We haven't yet been informed of/about her decision. Frequent reports from the battlefield kept the general informed about how the attack was progressing. I am sorry to have to inform [= tell] you that …

To inform is to tell someone news, pass on wisdom, leak gossip, or give instruction. You've been informed that you won the raffle at the county fair. What are you going to do with all that cheese?

If you inform someone of something, you tell them about it. They would inform him of any progress they had made. [VERB noun + of] My daughter informed me that she was pregnant. [VERB noun that] 'I …

to give or impart knowledge of a fact or circumstance to: He informed them of his arrival. to supply (oneself ) with knowledge of a matter or subject: She informed herself of all the pertinent facts.

Mar 7, 2026 · inform (third-person singular simple present informs, present participle informing, simple past and past participle informed) (transitive, archaic) To instruct, train (usually in matters of …