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Defenition of the word know-it-all

    • Defenition of the word know-it-all

      • (informal) someone who thinks he knows everything and refuses to accept advice or information from others
      • someone who thinks he knows everything and refuses to accept advice or information from others

    Synonyms for the word know-it-all

      • know-all

    Hypernyms for the word know-it-all

      • egoist
      • egotist
      • swellhead

    See other words