| marble(adjective, detached, impassive, unresponsive, laid-back) |
| matter-of-fact(adjective, cool, detached, blank, sober) |
| mean(adjective, hard, tough, harsh, unfeeling) |
| mulish(adjective, mean, hard, harsh, inflexible) |
| nerveless(adjective, calm, cool, steady, tranquil) |
| nonemotional(adjective, cool, detached, blank, sober) |
| not influenced(expression, adjective, calm, restrained, unconcerned) |
| not responsive(expression, adjective, detached, impassive, unresponsive) |
| nowhere(adjective, cool, detached, blank, sober) |
| numbed |
| obstinate(adjective, mean, hard, harsh, inflexible) |
| offish(adjective, indifferent, detached, distant, remote) |
| on ice(expression, adjective, indifferent, detached, distant) |
| out-and-out |
| passionless(adjective, detached, impassive, unresponsive, laid-back) |
| perverse(adjective, mean, hard, tough, harsh) |
| phlegmatic(adjective, detached, impassive, unresponsive, laid-back) |
| poker face(expression, adjective, cool, detached, blank) |
| prone |
| proof(adjective, calm, restrained, unconcerned, subdued) |