| chill(adjective, cool, restrained, detached, blank) |
| chilly(restrained, unemotional, phlegmatic) |
| constrained(adjective, calm, restrained, subdued, unresponsive) |
| contained |
| coolheaded(adjective, calm, quiet, relaxed, casual) |
| doltish(adjective, dull, slow, stupid, unresponsive) |
| enervated(adjective, dull, weak, easy, slow) |
| glassy |
| halcyon(adjective, quiet, cool, still, peaceful) |
| hard(adjective, careless, indifferent, cruel, apathetic) |
| harsh(adjective, aloof, unfeeling, senseless, ironic) |
| heavy(adjective, dull, weak, easy, slow) |
| heedless(adjective, dull, indifferent, unsympathetic, sluggish) |
| hushed(adjective, quiet, cool, still, peaceful) |
| idle(adjective, dull, heavy, stupid, still) |
| inaccessible(adjective, hard, unfeeling, unsympathetic, hardened) |
| inattentive(adjective, dull, indifferent, unsympathetic, sluggish) |
| inconsiderate |
| jaded |
| laggard(adjective, dull, heavy, stupid, idle) |