/ Thesaurus / U Synonyms of untraversable Find synonyms for: Adjective1. untraversable, impassable (vs. passable), unpassableusage: incapable of being traversedWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: ablution Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language