impertinent
US /ɪmˈpɝː.t̬ən.ənt/
UK /ɪmˈpɝː.t̬ən.ənt/
1.
xấc xược
rude and not showing respect, especially toward someone older or in a higher position than you:
:
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I hope he didn't think I was being impertinent when I asked him about his private life.