| aloof(adjective, calm, mean, hard, cool) |
| dull(adjective, calm, dull, quiet, tough) |
| insensible(adjective, quiet, hard, cool, tough) |
| half-assed |
| lukewarm(adjective, calm, mean, hard, cool) |
| detached(noun, adjective, calm, cool, relaxed) |
| inert(adjective, dull, quiet, weak, moving) |
| insensitive(adjective, dull, quiet, mean, hard) |
| sluggish(adjective, calm, dull, quiet, weak) |
| stolid(adjective, calm, dull, quiet, cool) |
| unsympathetic(adjective, quiet, mean, hard, cool) |
| disinterested(adjective, calm, dull, mean, hard) |
| indolent(adjective, dull, slow, careless, relaxed) |
| passive(adjective, calm, dull, quiet, flat) |
| pococurante(adjective, temper, cold, negative, dead) |
| torpid(adjective, dull, quiet, hard, weak) |
| cold-blooded(adjective, person, mean, hard, cool) |
| insouciant(adjective, calm, cool, relaxed, cold) |
| frigid(adjective, calm, dull, mean, hard) |
| inactive(adjective, dull, quiet, weak, easy) |