Im-păs'si-ble, a.

a. [Lat. impassibilis, from prefix im, for in, not, and passibilis, passible; Fr. impassible, Sp. impasible, It. impassibile.] Incapable of suffering; inaccessible to harm or pain; not to be touched or moved to passion or sympathy; without sensation. “Impassible to the critic.” W. Scott.

Secure of death, I should contemn thy dart, Though naked, and impassible depart. Dryden.