marked by casual disrespect "a flip answer to serious question"; "the student was kept in for impudent behavior" impudentinsolentsnotty-nosedflip
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!" freshimpertinentimpudentoverboldsmartsaucysassywise