| nonemotional(adjective, cool, flat, detached, blank) |
| not influenced(expression, adjective, calm, restrained, unconcerned) |
| nowhere(adjective, cool, flat, detached, blank) |
| numb(adjective, hard, tough, severe, cold) |
| obdurate(adjective, hard, tough, severe, harsh) |
| obstinate(adjective, mean, hard, harsh, inflexible) |
| offish(adjective, indifferent, detached, distant, remote) |
| on ice(expression, adjective, indifferent, detached, distant) |
| perverse(adjective, mean, hard, tough, harsh) |
| pitiless(adjective, hard, tough, severe, cold) |
| poker face(expression, adjective, cool, flat, detached) |
| proof(adjective, calm, restrained, unconcerned, subdued) |
| putting on airs(expression, adjective, idiom, indifferent, detached) |
| relentless(adjective, mean, hard, tough, harsh) |
| remote(adjective, cool, flat, indifferent, detached) |
| reserved(adjective, calm, cool, indifferent, restrained) |
| rigid(adjective, mean, hard, harsh, inflexible) |
| ruthless(adjective, hard, tough, severe, cold) |
| secluded(adjective, indifferent, detached, distant, remote) |
| sensationless(adjective, hard, tough, severe, cold) |