/ Thesaurus / M Synonyms of mountain man Find synonyms for: Noun1. frontiersman, backwoodsman, mountain man, pioneerusage: a man who lives on the frontierWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: copious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language