- know-it-all as a noun:
- 1
know-it-all
noun
1 know-it-all
Someone who thinks he knows everything and refuses to accept advice or information from others.
synonym: know-all.
Roget 500: sage, wise man; genius; master mind, master spirit of the age; longhead†, thinker; intellectual, longhair. authority, oracle, luminary, shining light, esprit fort, ... show more
Dutch: betweter, polyhistor, veelweter
Moby thesaurus: Narcissus, aggressively self-confident, biggety, braggart, bumptious, chesty, cocky, conceited, egocentric, egoist, egotist, immodest, individualist, narcissist, narcist, no modest violet, obtrusive, overwise, peacockish, peacocky ... show more.
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