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Thesaurus: know-all

One who knows everything; hence, one who makes pretension to great knowledge; a wiseacre; -- usually ironical.

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  1. n. One who knows everything; hence, one who makes pretension to great knowledge; a wiseacre; -- usually ironical.
  2. n. someone who thinks they know everything and refuses to accept advice or information from others
  3. One who knows everything; hence, one who makes pretension to great knowledge; a wiseacre; -- usually ironical. [Colloq. or R.]
  4. One who knows everything; hence, one who makes pretension togreat knowledge; a wiseacre; -- usually ironical. [Colloq. or R.]
  5. n someone who thinks he knows everything and refuses to accept advice or information from others