know-all

[ noh-awl ]

nounInformal.
  1. a know-it-all.

Origin of know-all

1
First recorded in 1880–85

Words Nearby know-all

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How to use know-all in a sentence

British Dictionary definitions for know-all

know-all

noun
  1. informal, derogatory a person who pretends or appears to know a great deal

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