| unmerciful(adjective, mean, harsh, cruel, vicious) |
| unresponsive(adjective, person, mean, bad, hard) |
| chilly(adjective, person, feelings, detached, emotions) |
| standoffish(adjective, person, unfriendly, unemotional, emotionless) |
| stern(adjective, person, mean, tough, harsh) |
| stoic(adjective, cool, tough, rational, straightforward) |
| chill(adjective, bad, cool, cold, detached) |
| cold-hearted(adjective, hard, tough, severe, attitude) |
| detached(adjective, calm, person, cool, cold) |
| impersonal(adjective, calm, cool, tough, temper) |
| insensate(adjective, bad, hard, tough, severe) |
| insensible(adjective, bad, hard, cool, tough) |
| malevolent(adjective, person, mean, evil, nasty) |
| nonchalant(adjective, cool, temper, cold, negative) |
| unconcerned(adjective, mean, hard, cool, temper) |
| vicious(adjective, mean, evil, nasty, harsh) |
| antagonistic(adjective, person, tough, harsh, cruel) |
| coldhearted(adjective, person, mean, hard, cold) |
| fiendish(adjective, person, mean, cruel, vicious) |
| grim(adjective, person, mean, tough, harsh) |