Breadcrumb Home > Thesaurus > E Synonyms of eupatorium Find synonyms for: Noun 1. Eupatorium, genus Eupatorium, asterid dicot genus usage: large genus of chiefly tropical herbs having heads of white or purplish flowers WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of eupatorium (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: oungurk Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language