/ Thesaurus / U Synonyms of unconquerable Find synonyms for: Adjective1. unconquerable (vs. conquerable), impregnable, inexpugnable, indomitable, never-say-die, unsubduable, insuperable, insurmountable, invincible, unbeatable, unvanquishable, all-victorious, insurmountable#1, unsurmountable, invulnerableusage: not capable of being conquered or vanquished or overcome; "a tribute to his courage...and his unconquerable will"- R.E.Danielson; "faced unconquerable difficulties"2. insuperable, unconquerable, insurmountable (vs. surmountable), unsurmountableusage: incapable of being surmounted or excelled; "insuperable odds"; "insuperable heroes"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language