/ Thesaurus / U Synonyms of ustilaginoidea Find synonyms for: Noun1. Ustilaginoidea, genus Ustilaginoidea, fungus genususage: genus of imperfect fungi causing plant diseases like smutWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: feline Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language