/ Thesaurus / M Synonyms of marasmius Find synonyms for: Noun1. Marasmius, genus Marasmius, fungus genususage: chiefly small mushrooms with white sporesWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: abominable Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language