| blank(adjective, cool, indifferent, detached, sober) |
| confident |
| dry(adjective, calm, dull, cool, tough) |
| passionless(adjective, calm, dull, cool, slow) |
| unaffected(adjective, hard, tough, temper, careless) |
| incurious(adjective, calm, hard, cool, relaxed) |
| lackadaisical(adjective, calm, dull, cool, weak) |
| lethargic(adjective, calm, dull, weak, easy) |
| reserved(adjective, calm, cool, indifferent, restrained) |
| collected(adjective, calm, quiet, cool, moderate) |
| controlled(adjective, unexcitable) |
| heartless(adjective, hard, cool, careless, indifferent) |
| insouciant(adjective, calm, cool, relaxed, cold) |
| matter-of-fact(adjective, calm, dull, cool, simple) |
| neutral(adjective, calm, quiet, cool, moderate) |
| numb(adjective, still, aloof, unfeeling, senseless) |
| out of touch(expression, idiom) |
| spiritless(adjective, dull, hard, cool, weak) |
| unexcitable(adjective, calm, dull, quiet, cool) |
| unexpressive |