adjective 1.incapable of suffering pain.
2.incapable of suffering harm.
3.incapable of emotion; impassive.
Origin: 1300–50; Middle English <
Late Latin impassībilis. See
im-2,
passible Related forms im·pas·si·bil·i·ty, im·pas·si·ble·ness, noun
im·pas·si·bly, adverb