/ Dictionary / Index O opinionated: Meaning and Definition of Find definitions for: o•pin•ion•at•ed Pronunciation: (u-pin'yu-nā"tid), [key] — adj. obstinate or conceited with regard to the merit of one's own opinions; conceitedly dogmatic. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: opinionated (Thesaurus) opinion opinionative Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language