All 4 Uses

impertinent
in
The Idiot
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He seemed to have no suspicion of any impertinence or inappropriateness in the fact of such questions being put to him.†
Chpt 1.1 *
And what an impertinent beast you are!" he added angrily.†
Chpt 1.1
Our interview is not to be broken in upon by every chance comer, every impertinent guest—and there are plenty of such stupid, impertinent fellows"—(he bent over and whispered mysteriously, with a funny, frightened look on his face)—"who are unworthy to tie your shoe, prince.†
Chpt 4.3
Our interview is not to be broken in upon by every chance comer, every impertinent guest—and there are plenty of such stupid, impertinent fellows"—(he bent over and whispered mysteriously, with a funny, frightened look on his face)—"who are unworthy to tie your shoe, prince.†
Chpt 4.3

Definitions:

(1) (impertinent as in: she was impertinent)
rude or improperly bold -- especially toward someone more respected
(2) (meaning too rare to warrant focus)
"Impertinent" can also mean not pertinent (relevant) to the matter under consideration.