Would it be impertinent of me to offer some advice to you and your readers?
In fact, a few seconds after the impertinent question was asked, William handed the child back to its parents.
We celebrated by getting the editor and founder, Tina Brown, to answer some impertinent questions.
late 14c., "unconnected, unrelated, not to the point," from Old French impertinent (14c.) or directly from Late Latin impertinentem (nominative impertinens) "not belonging," literally "not to the point," from assimilated form of Latin in- "not, opposite of" (see in- (1)) + pertinens (see pertinent). Sense of "rudely bold" is 1680s, from earlier sense of "not appropriate to the situation," probably modeled on similar use in French, especially by Molière, from notion of meddling with what is beyond one's proper sphere.