| nasty(adjective, mean, hard, unsympathetic) |
| obdurate(adjective, mean, hard, unsympathetic) |
| repugnant(adjective, mean, hard, unsympathetic) |
| stoic(adjective, cold, indifferent, unyielding) |
| tough(adjective, mean, hard, informal, unsympathetic) |
| unagitated(adjective, calm, peaceful, unconcerned, tranquil) |
| uncharitable(adjective, mean, hard, cool, feelings) |
| unpleasant(adjective, mean, hard, unsympathetic) |
| antipathetic(adjective, mean, hard, unsympathetic) |
| aversive(adjective, mean, hard, cool, unsympathetic) |
| casual(adjective, calm, restrained, unconcerned, subdued) |
| clear(unconcerned, unaffected, spotless, intact, unmoved) |
| cold-blooded(adjective, mean, hard, unsympathetic) |
| cold fish(expression, adjective, calm, restrained, unconcerned) |
| easy-going(adjective, calm, restrained, unconcerned, subdued) |
| halfhearted(adjective, mean, hard, unsympathetic) |
| hard-boiled(adjective, calm, restrained, unconcerned, subdued) |
| impervious(adjective, calm, restrained, unconcerned, subdued) |
| in good condition(expression, idiom, unconcerned, unaffected, spotless) |
| incorrupt(unconcerned, unaffected, spotless, intact, unmoved) |