| shy(adjective, quiet, gentle, aloof, reserved) |
| slow(adjective, dull, quiet, simple, flat) |
| unaffected(adjective, hard, careless, cold, indifferent) |
| uncaring(adjective, mean, bad, hard, cool) |
| hard-boiled(adjective, calm, person, bad, hard) |
| hard-hearted(adjective, calm, bad, cold, indifferent) |
| hardened(adjective, person, hard, careless, indifferent) |
| hostile(adjective, person, indifferent, feelings, unfriendly) |
| inactive(adjective, dull, quiet, flat, slow) |
| insentient(adjective, bad, hard, careless, cold) |
| out of touch(expression, idiom) |
| passionless(adjective, calm, dull, quiet, cool) |
| remote(adjective, cool, indifferent, restrained, detached) |
| reticent(adjective, close, quiet, cool, restrained) |
| stolid(adjective, calm, dull, quiet, flat) |
| taciturn(adjective, calm, quiet, humble, unfriendly) |
| uncompassionate(adjective, calm, person, dull, mean) |
| adamant(adjective, person, cold, indifferent, feelings) |
| detached(adjective, indifferent, feelings, unfriendly, aloof) |
| guarded(adjective, reserved, reticent, taciturn) |