Insusceptible

(a.) Not susceptible; not capable of being moved, affected, or impressed; that can not feel, receive, or admit; as, a limb insusceptible of pain; a heart insusceptible of pity; a mind insusceptible to flattery.

Thesaurus Entries

affectless, anesthetized, arctic, autistic, blunt, catatonic, chill, chilly, cold, cold as charity, cold-blooded, coldhearted, cool, dispassionate, drugged, dull, emotionally dead, emotionless, frigid, frosted, frosty, frozen, heartless, icy, immovable, impassible, impassive, inexcitable, insensitive, insentient, nonemotional, objective, obtuse, out of touch, passionless, self-absorbed, soulless, spiritless, unaffectionate, unemotional, unfeeling, unimpassioned, unimpressible, unimpressionable, unloving, unpassionate, unresponding, unresponsive, unsusceptible, unsympathetic, untouchable