/ Thesaurus / U Synonyms of unexplored Find synonyms for: Adjective1. undiscovered, unexplored, unknown (vs. known)usage: not yet discovered; "undiscovered islands"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: boisterous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language