| detached(adjective, person, hard, indifferent, feelings) |
| frigid(adjective, person, mean, hard, cool) |
| impassible(adjective, quiet, bad, hard, temper) |
| insensate(noun, adjective, bad, hard, tough) |
| obdurate(adjective, mean, hard, cool, tough) |
| oblivious(adjective, dull, careless, cold, indifferent) |
| pitiless(adjective, hard, tough, severe, harsh) |
| unmoved(adjective, mean, hard, cool, temper) |
| unsusceptible(noun, adjective, hard, careless, indifferent) |
| deadened(adjective, hard, tough, severe, cold) |
| dispassionate(adjective, cold, indifferent, detached, unfeeling) |
| emotionless(adjective, dull, bad, cold, indifferent) |
| harsh(adjective, mean, hard, cool, tough) |
| impervious(noun, adjective, bad, cold, detached) |
| indiscreet(adjective, sharp, rough, harsh, rude) |
| inhumane(adjective, mean, hard, tough, harsh) |
| insentient(adjective, bad, hard, careless, cold) |
| thick(adjective, slow, stupid, dull-witted) |
| blunt(adjective, dull, sharp, careless, thoughtless) |
| cold-hearted(adjective, person, hard, tough, severe) |