| unfriendly(adjective, person, feelings, cruel, unfeeling) |
| unkind(adjective, person, hard, cold, indifferent) |
| barbaric(adjective, person, pitiless, unwarmhearted) |
| hard-boiled(adjective, hard, attitude, careless, cold) |
| inconsiderate(adjective, person, bad behavior, unwarmhearted, negative emotions) |
| obdurate(adjective, hard, attitude, careless, cold) |
| ruthless(adjective, mean, severe, harsh, cold) |
| unemotional(adjective, hard, cold, cruel, unfriendly) |
| unmerciful(adjective, mean, severe, harsh, cruel) |
| grim(adjective, person, mean, severe, harsh) |
| hardened(adjective, hard, attitude, careless, cold) |
| indifferent(adjective, mean, hard, harsh, careless) |
| malevolent(adjective, person, cruel, brutal, pitiless) |
| mean(adjective, person, severe, harsh, cruel) |
| angry(adjective, person, unwarmhearted) |
| coldhearted(adjective, person, mean, hard, harsh) |
| hateful(adjective, person, unwarmhearted, negative emotions) |
| malicious(adjective, person, bad behavior, unwarmhearted) |
| cat-hearted(adjective, person, bad behavior, unwarmhearted) |
| emotionless(adjective, unfriendly, unemotional, insensitive, taciturn) |