Breadcrumb Home > Thesaurus > O Synonyms of opalescent Find synonyms for: Adjective 1. iridescent, nacreous, opalescent, opaline, pearlescent, bright (vs. dull) usage: having a play of lustrous rainbow colors; "an iridescent oil slick"; "nacreous (or pearlescent) clouds looking like mother-of-pearl"; "a milky opalescent (or opaline) luster" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of opalescent (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: antecedent Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language