| inert(adjective, dull, weak, moving, easy) |
| insusceptible(adjective, hard, cool, affect, dead) |
| languid(adjective, dull, weak, easy, slow) |
| passive(adjective, calm, dull, indifferent, still) |
| pococurante(adjective, temper, cold, negative, dead) |
| quiet(adjective, calm, cool, relaxed, restrained) |
| staid(adjective, calm, indifferent, restrained, aloof) |
| steady(adjective, calm, secure, restrained, fixed) |
| stony(adjective, hard, careless, cold, indifferent) |
| taciturn(adjective, cool, blank, aloof, unemotional) |
| unimpressionable(adjective, hard, careless, indifferent, cruel) |
| unruffled(adjective, calm, quiet, cool, moderate) |
| unsusceptible(adjective, hard, careless, indifferent, cruel) |
| unsympathetic(adjective, hard, careless, indifferent, cruel) |
| vacant(adjective, cold, aloof, neutral, indefferent) |
| dull(adjective, calm, tough, slow, relaxed) |
| even-tempered(adjective, unexcitable) |
| half-hearted(adjective, temper, cold, negative, dead) |
| immovable(adjective, cool, secure, steady, detached) |
| impersonal(adjective, calm, cool, tough, temper) |