know-it-all

English dictionary entry

Meanings

noun
  1. Someone who claims to be knowledgeable or an expert in something, obnoxiously dismissing the opinions, advice, suggestions, etc. of others.

Pronunciation

/ˈnəʉ.ɪt.oːl/ LL-Q1860 (eng)-Vealhurl-know-it-all.wav LL-Q1860 (eng)-Flame, not lame-know-it-all.wav

Word forms

know-it-all know-it-alls know-all

Etymology

From know + it + all.

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