smart - noun

a kind of pain such as that caused by a wound or a burn or a sore

smart - verb

• be the source of pain

smart - adjective

• showing mental alertness and calculation and resourcefulness
• elegant and stylish
• characterized by quickness and ease in learning
• improperly forward or bold
• painfully severe
• quick and brisk
• capable of independent and apparently intelligent action

smart - thesaurus

ache   bright   chic   fresh   hurt   impertinent   impudent   overbold   sassy   saucy   smarting   smartness   voguish   wise