| apathetic(adjective, calm, dull, quiet, cool) |
| indifferent(adjective, calm, dull, quiet, cool) |
| listless(adjective, calm, dull, quiet, weak) |
| stoic(adjective, calm, dull, cool, tough) |
| sluggish(adjective, calm, dull, quiet, weak) |
| languid(adjective, dull, weak, easy, slow) |
| cool(adjective, calm, quiet, relaxed, indifferent) |
| lethargic(adjective, calm, dull, quiet, weak) |
| impassive(adjective, calm, dull, quiet, cool) |
| slow(adjective, dull, weak, easy, slow) |
| lackadaisical(adjective, dull, quiet, weak, easy) |
| stolid(adjective, calm, dull, quiet, cool) |
| indolent(adjective, quiet, easy, slow, relaxed) |
| nonchalant(adjective, calm, quiet, cool, relaxed) |
| passive(adjective, calm, dull, quiet, easy) |
| unconcerned(adjective, calm, dull, cool, weak) |
| unemotional(adjective, calm, dull, quiet, cool) |
| dull(adjective, calm, tough, slow, relaxed) |
| torpid(adjective, dull, quiet, weak, easy) |
| cold(adjective, calm, cool, tough, indifferent) |