/ Thesaurus / M Synonyms of myriophyllum Find synonyms for: Noun1. Myriophyllum, genus Myriophyllum, dicot genus, magnoliopsid genususage: chiefly monoecious and usually aquatic herbs (as the milfoils)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language