| anesthetized(adjective, hard, tough, severe, cold) |
| apathetic(adjective, hard, tough, severe, cold) |
| asleep(adjective, hard, tough, severe, cold) |
| benumbed(adjective, hard, tough, severe, cold) |
| brutal(adjective, hard, tough, severe, cold) |
| callous(adjective, hard, tough, severe, cruel) |
| cantankerous(adjective, hard, tough, severe, cold) |
| churlish(adjective, hard, tough, severe, cold) |
| cold(adjective, hard, tough, severe, cruel) |
| cold-blooded(adjective, hard, tough, severe, cold) |
| cold-hearted(adjective, hard, tough, severe, cold) |
| cold fish(expression, adjective, hard, tough, severe) |
| crotchety(adjective, hard, tough, severe, cold) |
| cruel(adjective, hard, tough, severe, cold) |
| dead(adjective, unfeeling, frozen, deadened) |
| deadened(adjective, hard, tough, severe, cold) |
| exacting(adjective, hard, tough, severe, cold) |
| feelingless(adjective, hard, tough, severe, cold) |
| hard(adjective, tough, severe, cruel, unfeeling) |
| hard-hearted(adjective, hard, tough, severe, cold) |