/ Thesaurus / G Synonyms of genus ambrosia Find synonyms for: Noun1. genus Ambrosia, asterid dicot genususage: comprising the ragweeds; in some classification considered the type genus of a separate family AmbrosiaceaeWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: mongrel Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language