| unkind(adjective, person, mean, bad, hard) |
| half-hearted(adjective, attitude, state, feeling, careless) |
| cold-blooded(adjective, person, mean, bad, hard) |
| insensible(adjective, cold, bad, hard, tough) |
| lackadaisical(adjective, calm, cool, temper, relaxed) |
| cruel(adjective, person, mean, hard, cool) |
| stony(adjective, person, mean, hard, cool) |
| uncharitable(adjective, person, mean, hard, cool) |
| uncompassionate(adjective, mean, hard, cool, tough) |
| emotionless(adjective, cold, attitude, unemotional, indifferent) |
| hard(adjective, person, mean, cool, tough) |
| hardhearted(adjective, cruel, unfeeling, person, careless) |
| phlegmatic(adjective, indifferent, detached, unfriendly, distant) |
| tough(adjective, mean, hard, cool, severe) |
| unfriendly(adjective, person, mean, hard, nasty) |
| pococurante(adjective, bad, evil, temper, awful) |
| frigid(adjective, person, mean, hard, cool) |
| hard-hearted(adjective, person, mean, bad, hard) |
| inattentive(noun, adjective, sharp, rude, careless) |
| passive(adjective, indifferent, unfeeling, unconcerned, insensitive) |