/ Thesaurus / W Synonyms of wolffia Find synonyms for: Noun1. Wolffia, genus Wolffia, monocot genus, liliopsid genususage: minute rootless aquatic herbs having globular fronds floating on or near the water surface and bearing one flower per frondWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: pundit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language