impertinence UK /ɪmˈpɜː.tɪ.nəns/US /ɪmˈpɝ.tɪ.nəns/ noun4 •An instance of this; a moment of being impertinent."Enough, sir! " he thundered with barely restrained fury. "Enough, I say! Once and for all I must endeavour to rid myself of you and your impertinence. — 1867 •Insolence; impudence.The musical has always had a lightness of touch, an impertinence that resembles gay humor. — 1984 •Lack of pertinence; irrelevance. •The fact or character of being out of place; inappropriateness. formsimpertinences