Dictionary > English Dictionary > Definition, synonym and antonym of known
Meaning of known by Wiktionary Dictionary



    From the Middle English, from Old English past participle cnāwen .


    • ( UK ) IPA: /nəʊn/, X-SAMPA: /n@Un/
    • ( US ) IPA: /nɔʊn/, X-SAMPA: /noUn/
    • ( Australian ), ( New Zealand ) Homophone: noone ( some dialects )


    known ( comparative more known, superlative most known )

    1. Someone or something that many people know about, renowned, famous .




    1. Past participle of know

    External links

    • know on Wikipedia .


    known ( plural: knowns )

    1. In algebra, a variable or constant whose value is already determined .
    2. Any fact or situation which is well-researched or familiar .


Explanation of known by Wordnet Dictionary


    1. apprehended with certainty

    2. a known quantity
      the limits of the known world
      a musician known throughout the world
      a known criminal

    Definition of known by GCIDE Dictionary


    1. Know ( nō ), v. t. [imp. Knew ( nū ); p. p. Known ( nōn ); p. pr. & vb. n. Knowing.] [OE. knowen, knawen, AS. cnäwan; akin to OHG. chnäan ( in comp. ), Icel. knä to be able, Russ. znate to know, L. gnoscere, noscere, Gr. γιγηώσκειν, Skr. jnā; fr. the root of E. can, v. i., ken. √45. See Ken, Can to be able, and cf. Acquaint, Cognition, Gnome, Ignore, Noble, Note.]
      1. To perceive or apprehend clearly and certainly; to understand; to have full information of; as, “to know one's duty”.

      O, that a man might know

      The end of this day's business ere it come! Shak.

      There is a certainty in the proposition, and we know it. Dryden.

      Know how sublime a thing it is

      To suffer and be strong. Longfellow.

      2. To be convinced of the truth of; to be fully assured of; as, “to know things from information”.

      3. To be acquainted with; to be no stranger to; to be more or less familiar with the person, character, etc., of; to possess experience of; as, “to know an author; to know the rules of an organization.”

      He hath made him to be sin for us, who knew no sin. 2 Cor. v. 21.

      Not to know me argues yourselves unknown. Milton.

      4. To recognize; to distinguish; to discern the character of; as, “to know a person's face or figure”.

      Ye shall know them by their fruits. Matt. vil. 16.

      And their eyes were opened, and they knew him. Luke xxiv. 31.

      To know

      Faithful friend from flattering foe. Shak.

      At nearer view he thought he knew the dead. Flatman.

      5. To have sexual intercourse with.

      And Adam knew Eve his wife. Gen. iv. 1.

      ☞ Know is often followed by an objective and an infinitive ( with or without to ) or a participle, a dependent sentence, etc.

      And I knew that thou hearest me always. John xi. 42.

      The monk he instantly knew to be the prior. Sir W. Scott.

      In other hands I have known money do good. Dickens.

      To know how, to understand the manner, way, or means; to have requisite information, intelligence, or sagacity. How is sometimes omitted. “ If we fear to die, or know not to be patient.” Jer. Taylor.

    2. Known p. p. of Know.