impertinent - a. 뻔뻔스러운, 적절치 않는

• It would be grossly impertinent to tell her how the job should be done.
• That 's a bit of... that 's a bit of an impertinent thing to say, is n't it?
• God stopped and looked straight at the kid. 'I 'd thank you, young man, to keep your impertinent remarks to yourself.