definition of
smart

[1] #1 smart a. showing mental alertness and calculation and resourcefulness. wn

[2] #2 smart s. [chic, voguish] elegant and stylish; "chic elegance"; "a smart new dress"; "a suit of voguish cut". wn

[3] #3 smart s. [bright] characterized by quickness and ease in learning; "some children are brighter in one subject than another"; "smart children talk earlier than the average". wn

[4] #4 smart s. [fresh, impertinent, impudent, overbold, saucy, sassy, wise] improperly forward or bold; "don't be fresh with me"; "impertinent of a child to lecture a grownup"; "an impudent boy given to insulting strangers"; "Don't get wise with me!". wn

[5] #5 smart v. [ache, hurt] be the source of pain. wn