/ Thesaurus / G Synonyms of genus eupatorium Find synonyms for: Noun1. Eupatorium, genus Eupatorium, asterid dicot genususage: large genus of chiefly tropical herbs having heads of white or purplish flowersWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: dispel Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language