| anesthetized(adjective, insensitive) |
| chill(adjective, bad, cold, detached, aloof) |
| compassionless(adjective, hard, attitude, unfeeling, unsympathetic) |
| firm(adjective, mean, strong, hard, tough) |
| impervious(noun, adjective, calm, bad, cold) |
| implacable(adjective, mean, strong, hard, tough) |
| indurate(adjective, mean, bad, hard, cold) |
| insentient(adjective, bad, hard, careless, cold) |
| marble(adjective, bad, cold, detached, aloof) |
| matter-of-fact(adjective, hard, sound, reasonable, sensible) |
| nonchalant(adjective, insensitive) |
| obstinate(adjective, mean, hard, tough, rough) |
| passive(adjective, insensitive) |
| pitiless(adjective, hard, severe, sharp, nasty) |
| pugnacious |
| rational(adjective, calm, hard, sound, tough) |
| realist(feature, state, characteristic, reality) |
| severe(adjective, calm, strong, hard, tough) |
| stoic(adjective, tough, rational, straightforward, sober) |
| stonyhearted(adjective, attitude) |