/ Thesaurus / C Synonyms of common ragweed Find synonyms for: Noun1. common ragweed, Ambrosia artemisiifolia, ragweed, ambrosia, bitterweedusage: annual weed with finely divided foliage and spikes of green flowers; common in North America; introduced elsewhere accidentallyWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language