Breadcrumb Home > Thesaurus > M Synonyms of mullein Find synonyms for: Noun 1. mullein, flannel leaf, velvet plant, herb, herbaceous plant usage: any of various plants of the genus Verbascum having large usually woolly leaves and terminal spikes of yellow or white or purplish flowers WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of mullein (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: tintinnabulation Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language