soulless, thick-skinned, bloodless, asleep, unresponsive, affect, indurate, impassive, insusceptible, benumbed, uncaring, unimpressionable, unreactive, insensate, unsusceptible, awareness, wooden, unaffected, anesthetic, feelings, stuporous, torpid, inconsiderate, attitude, desensitised, impassible, pachydermatous
numb (part of speech: adjective)
senseless (part of speech: adjective)
insensitive (part of speech: adjective)
callous, hardhearted, hardened, indifferent, hard, stony, dispassionate, nonchalant, heartless, passionless, uncompassionate, detached, unfeeling, ruthless, aloof, objective, cold-blooded, unsympathetic, passive, cool, blunt, anesthetized, tough, unconcerned, numb, unemotional, emotionless, apathetic, hard-boiled
indiscreet (part of speech: adjective)
- If beauty be absolute, the past was sometimes insensitive, or we are: for the past failed to recognize the beauty of much that seems to us supremely beautiful, and sincerely admired much that to us seems trash. - "Since Cézanne", Clive Bell.
- In this case the physical eyes were better than the mental, being insensitive to radiation. - "The Legion of Lazarus", Edmond Hamilton.
- We do it perhaps in some degree, every time that we surrender to pure beauty or unselfish devotion; for then all but the most insensitive must be conscious of an unearthly touch, and hear the cadence of a heavenly melody. - "The Life of the Spirit and the Life of To-day", Evelyn Underhill.