'Impassible' definitions:

Definition of 'Impassible'

From: GCIDE
  • 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. [1913 Webster]
  • Secure of death, I should contemn thy dart Though naked, and impassible depart. --Dryden. [1913 Webster]