neat, stylish, or elegant in dress or appearance
said of a place: characteristic of or frequented by fashionable society
a smart restaurant
informal
mentally alert; bright
clever or shrewd
a smart investment
witty or persuasive
a smart talker
of or using the most modern technology; specif operating in a way that emulates human intelligence, behaviour, etc
said of a bomb or missile: containing a device that guides it to its target
brisk or spirited
a smart pace
causing a sharp stinging pain
gave him a smart blow
forceful or vigorous
smartly adv
smartness noun