| nasty(adjective, person, mean, hard, cool) |
| remote(adjective, person, indifferent, detached, unfriendly) |
| reserved(adjective, person, cool, indifferent, detached) |
| thoughtless(adjective, person, mean, sharp, rough) |
| cat-hearted(adjective, person, behavior, unwarmhearted, aroused negative) |
| thick-skinned(adjective, mean, hard, tough, severe) |
| grim(adjective, animal, person, mean, tough) |
| intolerant(adjective, hard, cold, indifferent, unfeeling) |
| lukewarm(adjective, mean, hard, cool, cold) |
| out of touch(expression, idiom) |
| relentless(adjective, animal, mean, hard, severe) |
| strict(adjective, tough, severe, harsh, cruel) |
| unappealing |
| unrelenting(adjective, animal, mean, hard, tough) |
| unsparing(adjective, person, mean, tough, severe) |
| adamant(adjective, mean, hard, tough, harsh) |
| banemalenteous(adjective, person, unwarmhearted) |
| barbarous(adjective, animal, mean, hard, severe) |
| disdainful(adjective, person, hard, hateful, unfeeling) |
| distant(adjective, cool, indifferent, detached, unfriendly) |