The meaning of KNOWN is generally recognized. How to use known in a sentence.

If someone or something is known for a particular achievement or feature, they are familiar to many people because of that achievement or feature.

KNOWN definition: past participle of know. See examples of known used in a sentence.

Jan 2, 2026 · Noun known (plural knowns) Any fact or situation which is known or familiar. You have to tell the knowns from the unknowns.

There are eight meanings listed in OED's entry for the word known, three of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

Idiom make yourself known (Definition of known from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

Something known is something people are aware of or know about. Don’t ask a known thief to walk your dog while you’re out of town, especially if she is known as the “Poodle Poacher.”

Known refers to something that is familiar, recognized, or understood by a person. It implies that information or facts about a subject have been previously discovered, identified, or learned.

know /nəʊ/ vb (knows, knowing, knew /njuː/, known /nəʊn/) (mainly tr) (also intr; may take a clause as object) to be or feel certain of the truth or accuracy of (a fact, etc)

Synonyms for KNOWN: named, specified, understood, possessed, appreciated, had, comprehended, grasped; Antonyms of KNOWN: one, certain, unidentified, unspecified, anonymous, specific, …