| nonchalant(adjective, cool, temper, cold, indifferent) |
| unsympathetic(adjective, quiet, bad, hard, tough) |
| cold-blooded(adjective, bad, hard, cool, tough) |
| disinterested(adjective, temper, cold, indifferent, negative) |
| emotionless(adjective, bad, cool, cold, indifferent) |
| hard(adjective, strong, tough, severe, careless) |
| hard-hearted(adjective, bad, hard, tough, severe) |
| heartless(adjective, hard, cool, tough, severe) |
| impalpable(adjective, knowledge, heavenly, subtle, imperceptible) |
| inappreciable(adjective, knowledge, indifferent, imperceptible) |
| indiscernible(adjective, knowledge) |
| inhuman(adjective, bad, hard, tough, severe) |
| phlegmatic(adjective, cool, indifferent, feelings, blank) |
| stolid(adjective, dull, quiet, cool, flat) |
| unsusceptible(adjective, hard, careless, indifferent, cruel) |
| anaesthetised |
| anesthetic(adjective, dull, attitude, slow, feelings) |
| asleep(adjective, hard, tough, severe, cold) |
| frigid(adjective, mean, harsh, temper, cold) |
| hard-boiled(adjective, bad, strong, hard, tough) |