Breadcrumb Home > Dictionary > Index A adieu: Meaning and Definition of Find definitions for: a•dieu Pronunciation: (u-d', u-dy' Fr. a-dyœ'), [key] — interj., n., pl. a•dieus, a•dieux —interj. good-bye; farewell. —n. the act of leaving or departing; farewell. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: adieu (Thesaurus) adient Adige TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: rapacious Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language