/ Thesaurus / I Synonyms of invulnerability Find synonyms for: Noun1. invulnerability, impregnability, safetyusage: having the strength to withstand attack2. invulnerability, strengthusage: the property of being invulnerable; the property of being incapable of being hurt (physically or emotionally)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: penury Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language