| arbitrary(adjective, severity) |
| arrogant(adjective, severity) |
| asleep(adjective, hard, tough, severe, cold) |
| astringent(adjective, close, strong, hard, tough) |
| benumbed(adjective, hard, tough, severe, cold) |
| blank(adjective, person, feelings, emotions, rocky) |
| bleak(adjective, tough, severe, harsh, cruel) |
| bloody-minded |
| bound(adjective, strong, tough, flat, firm) |
| brutish(adjective, hard, cold, indifferent, unfeeling) |
| bulldogged(adjective, tenacious) |
| cantankerous(adjective, hard, tough, severe, firm) |
| casehardened(hard, unfeeling, unsympathetic, hardened, obstinacy) |
| coldblooded(adjective, mean, hard, harsh, cold) |
| compassionless(adjective, hard, attitude, cruel, unfeeling) |
| concrete |
| critical(adjective, severe) |
| dead set on(expression, adjective, idiom, strong, secure) |
| deadened(adjective, hard, tough, severe, cold) |
| decided |