/ Thesaurus / U Synonyms of ustilago Find synonyms for: Noun1. Ustilago, genus Ustilago, fungus genususage: type genus of the Ustilaginaceae; genus comprising the loose smutsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: philanthropy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language