impertinent

adjectives

characterized by a lightly pert and exuberant quality

"a certain irreverent gaiety and ease of manner"

impertinent, irreverent, pert, saucy

is derived from

not pertinent to the matter under consideration

"an issue extraneous to the debate"; "the price was immaterial"; "mentioned several impertinent facts before finally coming to the point"

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!"

fresh, impertinent, impudent, overbold, sassy, saucy, smart, wise

is derived from