Breadcrumb Home > Thesaurus > M Synonyms of mildew Find synonyms for: Noun 1. mildew, mold, mould, spoilage, spoiling usage: the process of becoming mildewed 2. mildew, fungus usage: a fungus that produces a superficial (usually white) growth on organic matter Verb 1. mold, mildew, change usage: become moldy; spoil due to humidity; "The furniture molded in the old house" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of mildew (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: aficionado Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language