/ Thesaurus / M Synonyms of mexican hyssop Find synonyms for: Noun1. Mexican hyssop, Agastache mexicana, giant hyssopusage: erect perennial of Mexico having rose to crimson flowersWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: effervescent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language