In*vul"ner*a*ble (?), a. [L. invulnerabilis: cf. F. invuln'erable. See In- not, and Vulnerable.]
Incapable of being wounded, or of receiving injury.
Neither vainly hope
To be invulnerable in those bright arms.
Unanswerable; irrefutable; that can not be refuted or convinced; as, an invulnerable argument.
© Webster 1913.