- n, adj(a person who is a) know-all, smug or insolent. The word describes someone whose display of real or supposed clev-erness renders them obnoxious. 'Smart alec' or 'wise-guy' are politer synonyms.► 'If she felt like giving them a smartass an-swer, why didn't she? Because she couldn't think of a smartass answer fast enough.' (The Switch, Elmore Leonard, 1978)
Contemporary slang . 2014.
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smartarse — n. (Slang) smartass, wise guy, one who thinks he knows everything, smart aleck, person who points out other people s mistakes … English contemporary dictionary
smart arse — smart arses N COUNT: oft N n (disapproval) (The spellings smartarse in British English and smartass or smart ass in American English are also used.) If you describe someone as a smart arse or smartass, you dislike the fact that they think they… … English dictionary
know-all — noun someone who thinks he knows everything and refuses to accept advice or information from others • Syn: ↑know it all • Usage Domain: ↑colloquialism • Hypernyms: ↑egotist, ↑egoist, ↑swellhead * * * n … Useful english dictionary