/ Dictionary / Index O opportune: Meaning and Definition of Find definitions for: op•por•tune Pronunciation: (op"ur-tn', -tyn'), [key] — adj. appropriate, favorable, or suitable: an opportune phrase for the occasion. occurring or coming at an appropriate time; well-timed: an opportune warning. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: opportune (Thesaurus) opponent opportunism Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language