Sting (4)
'sting' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for smart that I've seen before include "Clever - feel mild pain" , "Well turned out" , "Clever or dapper" , "Sting - witty" , "well-kept" .)
'sting' is the definition.
(synonyms)
This is the entire clue.
(Other definitions for bite that I've seen before include "Get teeth into" , "champ" , "Grip with teeth" , "Quick snack" , "Small amount to eat" .)