invulnerability n. + Add to list US //ˌɪnˌvəɫnɝəˈbɪɫɪti// UK //ɪnvˌʌlnəɹəbˈɪlɪti// in·vul·ner·a·bil·i·ty SynonymsAntonymsEtymology Synonyms impregnability Antonyms vulnerabilityOrigin From French invulnérabilité.