known

Word parts

know + -n

Pronunciation

• (UK) IPA ^(key): /nəʊn/, SAMPA: /n@Un/
• (US) IPA ^(key): /nɔʊn/, SAMPA: /noUn/

• Audio (US)

  (file)

Adjective

Positive known

Comparative more known

Superlative most known

1. If something is known, people know about it; it is famous.
   • Antonym: unknown

   It is a known fact that water freezes at 0°C.

   She is known for all the volunteer and charity work that she does.

Related words

• well-known

Verb

Plain form know

Third-person singular knows

Past tense knew

Past participle known

Present participle knowing

1. The past participle of know.

   She and I are good friends; we have known each other for years.

   If I had known you were going to get so angry, I wouldn't have said anything to you about it.

   She's known about this project for a long time so I don't know why she isn't finished yet.

Noun

Singular known

Plural knowns

1. (mathematics) In algebra, a variable or constant whose value is already determined.
   • Antonym: unknown
2. Any fact or situation which is well-researched or familiar.