1. Someone being or trying to be irritatingly clever; a smart alec
   - bright spark, smart-ass [N. Amer], smart-arse [Brit, Cdn], smartypants, smartie

Encyclopedia: Smarty

• apathy
• apatite
• apatosaur
• apatosaurus
• Apatosaurus excelsus
• Apatura
• Apatura iris
• APC
• ape
• ape-man
• Apeldoorn
• apelike
• Apennines
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• aperea
• aperient
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• aperitif
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• apetalous
• apetalous flower