| dull(adjective, quiet, flat, heavy, dead) |
| half-spirited(adjective, person, unwarmhearted) |
| implacable(adjective, animal, mean, hard, severe) |
| indecent(adjective, person, unwarmhearted) |
| inexorable(adjective, mean, hard, severe, harsh) |
| inhospitable(adjective, mean, cool, nasty, unfriendly) |
| mummified(adjective, person, unwarmhearted) |
| ominous(adjective, person, unwarmhearted) |
| remorseless(adjective, animal, mean, hard, harsh) |
| rigid(adjective, mean, hard, severe, harsh) |
| rude(adjective, sharp, rough, harsh, careless) |
| unbending(adjective, mean, hard, careless, indifferent) |
| uncompromising(adjective, mean, hard, severe, harsh) |
| ungracious(adjective, bad person) |
| unlikable |
| unlikeable |
| unpleasant(adjective, good, mean, hard, cool) |
| unsociable(adjective, person, mean, nasty, indifferent) |
| unwarmhearted(adjective, person, negative) |
| anesthetized(adjective, hard, tough, severe, cold) |