adj.
Pronunciation: ( ˌ )in- ' v ə l-n( ə -)r ə -b ə l, -n ə r-b ə l
Function: adjective
Etymology: Latin invulnerabilis, from in- + vulnerare to wound ― more at VULNERABLE
Date: 1595
1 : incapable of being wounded, injured, or harmed
2 : immune to or proof against attack : IMPREGNABLE
– in · vul · ner · a · bil · i · ty \ - ˌ v ə l-n( ə -)r ə - ' bi-l ə -t ē \ noun
– in · vul · ner · a · ble · ness \ - ' v ə l-n( ə -)r ə -b ə l-n ə s, -n ə r-b ə l- \ noun
– in · vul · ner · a · bly \ -bl ē \ adverb