| close-mouthed(adjective, quiet, gentle, aloof, reserved) |
| coldblooded(careless, apathetic, unsympathetic, insensitive) |
| coldhearted(adjective, hard, indifferent, detached, unfeeling) |
| controlled |
| deaf |
| demure(adjective, quiet, gentle, aloof, reserved) |
| dry(adjective, cold, dead, apathy, passive) |
| expressionless(adjective, person, feelings, unfeeling, insensitive) |
| formal(adjective, quiet, cool, cold, indifferent) |
| glacial(adjective, person, cool, feelings, detached) |
| heedless(adjective, indifferent, detached, distant, apathetic) |
| ice-cold |
| idle(adjective, still, lifeless, inactive, inert) |
| imperceptive(adjective, hard, indifferent, unkind, insensitive) |
| impersonal(adjective, cold, dead, unfriendly, apathy) |
| imperturbable(adjective, calm, cool, restrained, unfriendly) |
| indolent(adjective, dull, slow, heavy, still) |
| inhospitable(adjective, cool, unfriendly, aloof, distant) |
| insouciant(adjective, cold, dead, apathy, passive) |
| laid-back(adjective, calm, slow, indifferent, restrained) |