invulnerable
adj. US //ˌɪnˈvəɫnɝəbəɫ// UK //ɪnvˈʌlnəɹəbəl// in·vul·ner·a·ble
From Middle French invulnérable, from Latin invulnerābilis, from vulnerābilis, from vulnerō (“I wound”), from vulnus (“wound”), equivalent to in- + vulnerable.