Impertinent
Part of speech: adjective
Definition: insolent, ill-mannered irrelevant (opposite of pertinent)
Pert
Part of speech: verb
Definition: To behave with pertness.
Part of speech: adjective
Definition: Open; evident; apert.Lively; brisk; sprightly; smart.Indecorously free, or presuming; saucy; bold; impertinent.High-spirited; vivacious.