/ Thesaurus / G Synonyms of genus arnica Find synonyms for: Noun1. genus Arnica, asterid dicot genususage: large genus of herbs of north temperate and Arctic regionsWordNet 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