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1. An upstart who makes conceited, sardonic, insolent comments
   - wise guy [informal], smart aleck [informal], wiseacre, wisenheimer [US, informal], weisenheimer [US, informal], smart alec [informal]

1. Annoyingly clever or showing off; behaving as if knowing everything
   - smart-alecky [informal]

Derived forms: wiseasses, wise-asses

See also: bright spark [informal], clever clogs [Brit, informal], clever Dick [Brit, informal], smart-arse [Brit, Cdn, informal], smart-ass [N. Amer, informal], smartie [informal], smarty [informal], smarty-boots [Brit, informal], smartypants [informal]

Type of: upstart

Encyclopedia: Wiseass