| forgetful(adjective, indifferent, unsympathetic, inattentive, uninterested) |
| frosty(adjective, person, feelings) |
| glacial(adjective, detached, impassive, unresponsive, insensitive) |
| going with the flow(expression, adjective, idiom, detached, impassive) |
| grim(adjective, mean, hard, tough, harsh) |
| hanging tough(expression, adjective, mean, hard, stubborn) |
| hard-bitten(adjective, hard, tough, harsh, cruel) |
| hard-nosed(adjective, mean, hard, tough, harsh) |
| hardbitten |
| hardboiled(adjective, indifferent, detached, stiff, distant) |
| hateful(adjective, mean, evil, nasty, harsh) |
| haughty(adjective, indifferent, detached, distant, remote) |
| hellish(adjective, evil, nasty, harsh, vicious) |
| illiberal |
| immovable(adjective, mean, hard, tough, harsh) |
| impassible(adjective, bad, cold, aloof, no feelings) |
| impenitent(adjective, hard, tough, harsh, cruel) |
| imperturbable(adjective, calm, cold, cruel, restrained) |
| inanimate(adjective, hard, tough, severe, cold) |
| incurious(adjective, indifferent, detached, weary, distant) |