/ Thesaurus / M Synonyms of mountain mint Find synonyms for: Noun1. mountain mint, herb, herbaceous plantusage: any of a number of perennial herbs of the genus Pycnanthemum; eastern North America and CaliforniaWordNet 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