不覺痛苦的,無感覺的,無感情的
Impassible \Im*pas"si*ble\, a. [L. impassibilis; pref. im- not + passibilis passable: cf. F. impassible. See {Passible}.] Incapable of suffering; inaccessible to harm or pain; not to be touched or moved to passion or sympathy; unfeeling, or not showing feeling; without sensation. ``Impassible to the critic.'' --Sir W. Scott. Secure of death, I should contemn thy dart Though naked, and impassible depart. --Dryden.