Definify.com
Webster 1913 Edition
Impassible
Im-pas′si-ble
,Adj.
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
Though naked, and
impassible
depart. Dryden.