| insolent(adjective, insolent) |
| objective(adjective, indifferent, detached, distant, apathetic) |
| oblivious(adjective, cold, indifferent, senseless, unsympathetic) |
| opportunistic(sophisticated, experienced, mature, hardened, urbane) |
| out of touch |
| passionless(adjective, quiet, cool, indifferent, detached) |
| passive(adjective, indifferent, unconcerned, uncaring, insensitive) |
| relentless(adjective, mean, hard, severe, evil) |
| stolid(noun, adjective, dull, quiet, cool) |
| thoughtless |
| toughen(verb, close, set, fix, settle) |
| uncharitable(adjective, mean, hard, unsympathetic) |
| unconscious(adjective, unfeeling, senseless, numb, insensitive) |
| unfriendly(adjective, hard, evil, rough, nasty) |
| unrelenting(adjective, mean, hard, tough, severe) |
| unremorseful(adjective, impenitent) |
| unsentimental(adjective, hardened, toughened, cynical, hard-boiled) |
| untouched(adjective, calm, mean, hard, cool) |
| vicious(adjective, mean, hard, evil, rough) |
| anneal(verb, close, set, fix, settle) |