Breadcrumb Home > Thesaurus > W Synonyms of water milfoil Find synonyms for: Noun1. water milfoil, aquatic plant, water plant, hydrophyte, hydrophytic plantusage: an aquatic plant of the genus Myriophyllum having feathery underwater leaves and small inconspicuous flowersWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. ✖ Related Content Daily Word Quiz: temporize Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language