/ Thesaurus / P Synonyms of polygonum Find synonyms for: Noun1. Polygonum, genus Polygonum, dicot genus, magnoliopsid genususage: diverse genus of herbs or woody subshrubs of north temperate regionsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: winsome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language