/ Thesaurus / M Synonyms of mexican poppy Find synonyms for: Noun1. Mexican poppy, Argemone mexicana, prickly poppy, argemone, white thistle, devil's figusage: annual herb with prickly stems and large yellow flowers; southern United States to West Indies and MexicoWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language