If a client impertinently wanted him to sell a house which had a cesspool, Babbitt always spoke about it—before accepting the house and selling it.
You’re keeping the whole car from starting!’ he said, and then I saw he was one of these dirty ill-bred hogs that kindness is wasted on, and so I stopped and looked right at him, and I said, ’I—beg—your—pardon, I am not doing anything of the kind,’ I said, ’it’s the people ahead of me, who won’t move up,’ I said, ’and furthermore, let me tell you, young man, that you’re a low-down, foul-mouthed, impertinent skunk,’ I said, ’and you’re no gentleman!
There are no more uses of "impertinent" in the book.
Show samples from other sources
It was impertinent of the child to lecture a grownup.
He deemed all such inquiries on the part of a slave improper and impertinent, and evidence of a restless spirit.
Douglass, Frederick -- Narrative of the Life of Frederick Douglass An American Slave