/ Dictionary / Index I impertinent: Meaning and Definition of Find definitions for: im•per•ti•nent Pronunciation: (im-pûr'tn-unt), [key] — adj. intrusive or presumptuous, as persons or their actions; insolently rude; uncivil: a brash, impertinent youth. not pertinent or relevant; irrelevant: an impertinent detail. inappropriate, incongruous, or absurd. (of persons) trivial, silly, or absurd. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: impertinent (Thesaurus) impertinency imperturbable Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language