| cantankerous(adjective, hard, tough, severe, cold) |
| chill(adjective, bad, cold, aloof, no feelings) |
| churlish(adjective, hard, tough, severe, cold) |
| cold(adjective, hard, tough, severe, cruel) |
| 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-hearted(adjective, bad, cold, aloof, no feelings) |
| dead-pan(adjective, bad, cold, aloof, no feelings) |
| 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-boiled(adjective, bad, cold, aloof, no feelings) |
| hardened(adjective, hard, tough, severe, cruel) |
| heartless(adjective, hard, tough, severe, cruel) |
| icy(adjective, hard, tough, severe, cold) |
| impassible(adjective, bad, cold, aloof, no feelings) |
| impervious(adjective, bad, cold, aloof, no feelings) |