| cool cat(expression, adjective, unfeeling, hard-hearted, nowhere) |
| crass(adjective, hard, indifferent, unkind, unresponsive) |
| emotionless(adjective, unfeeling, hard-hearted, nowhere, obdurate) |
| hard-boiled(adjective, hard, indifferent, unkind, unresponsive) |
| hardboiled(adjective, unfeeling, hard-hearted, crass, nowhere) |
| impassible(adjective, hard, impassive, insensitive, unsusceptible) |
| impassive(adjective, hard, insensitive, unsusceptible) |
| impervious(adjective, unresponsive, oblivious, unmoved) |
| indifferent(adjective, unkind, unresponsive, callous, crass) |
| inured to(expression, adjective, unresponsive, oblivious, unmoved) |
| laid back(expression, adjective, unfeeling, hard-hearted, nowhere) |
| matter of fact(expression, adjective, idiom, unfeeling, hard-hearted) |
| nonemotional(adjective, unfeeling, hard-hearted, nowhere, obdurate) |
| nowhere(adjective, unfeeling, hard-hearted, obdurate, unimpassioned) |
| oblivious(adjective, unresponsive, unmoved, impervious) |
| stony-eyed(adjective, unfeeling, hard-hearted, nowhere, obdurate) |
| toneless(adjective, unfeeling, hard-hearted, nowhere, obdurate) |
| unaffected(adjective, unfeeling, unresponsive, hard-hearted, oblivious) |
| unexcited(adjective, unfeeling, hard-hearted, nowhere, obdurate) |
| unimpassioned(adjective, unfeeling, hard-hearted, nowhere, obdurate) |