Known

//nəʊn// adj, noun, verb

adj, noun, verb ·Moderate ·College level

Definitions

Noun
  1. 1
    Any fact or situation which is known or familiar.

    "You have to tell the knowns from the unknowns."

  2. 2
    A constant or variable the value of which is already determined.
Verb
  1. 1
    past participle of know form-of, participle, past
Adjective
  1. 1
    Identified as a specific type; famous, renowned.

    "He was a known pickpocket."

  2. 2
    Accepted, familiar, researched.

    "At the time, Einstein's theory was unknown to most other scientists."

Adjective
  1. 1
    apprehended with certainty wordnet

Synonyms

All synonyms
acknowledgedappearascertainedbest knownbetter knowncomprehended

Example

More examples

"Seeing that you're not surprised, I think you must have known."

Etymology

From Middle English knowen, from Old English cnāwen (past participle). Morphologically know + -n.

Related phrases

better known aslast known goodofficially known as

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.