Breadcrumb Home > Thesaurus > I Synonyms of irradiate Find synonyms for: Verb 1. enlighten, irradiate, prophesy, vaticinate usage: give spiritual insight to; in religion 2. irradiate, lighten, lighten up usage: cast rays of light upon 3. irradiate, ray, process, treat usage: expose to radiation; "irradiate food" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of irradiate (Dictionary) 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: catalpa Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language