| composed(adjective, calm, quiet, cool, moderate) |
| emotionless(adjective, cool, attitude, cold, indifferent) |
| frigid(adjective, mean, hard, cool, temper) |
| hard(adjective, mean, cool, unpleasant, cold) |
| insouciant(adjective, cold, indifferent, dead, unsympathetic) |
| listless(adjective, dull, quiet, cool, moderate) |
| nonchalant(adjective, calm, cool, temper, cold) |
| quiet(adjective, calm, cool, restrained, still) |
| resolute(adjective, cold, indifferent, impassive, unaffected) |
| serene(adjective, calm, quiet, cool, moderate) |
| tranquil(adjective, calm, quiet, cool, restrained) |
| unexcited(adjective, calm, quiet, cool, moderate) |
| dead in the water |
| impervious(adjective, calm, indifferent, restrained, detached) |
| inflexible(adjective, determined, fixed, stubborn) |
| nerveless(adjective, calm, cool, steady, unaffected) |
| passive(adjective, calm, indifferent, still, unconcerned) |
| placid(adjective, quiet, cool, moderate, gentle) |
| stable(adjective, calm, firm, still, inactive) |
| still(adjective, calm, quiet, cool, moderate) |