Breadcrumb Home > Thesaurus > W Synonyms of willowherb Find synonyms for: Noun1. willowherb, herb, herbaceous plantusage: a plant of the genus Epilobium having pink or yellow flowers and seeds with silky hairsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of willowherb (Dictionary) ✖ Related Content Daily Word Quiz: taradiddle Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language