| indifferent(noun, adjective, calm, dull, quiet) |
| unconcerned(noun, adjective, calm, dull, mean) |
| cool(adjective, calm, dull, quiet, mean) |
| uninterested(adjective, dull, weak, easy, slow) |
| stoic(adjective, calm, dull, cool, tough) |
| dispassionate(adjective, calm, dull, cool, flat) |
| impassive(adjective, calm, dull, hard, cool) |
| listless(adjective, calm, dull, quiet, cool) |
| phlegmatic(adjective, calm, dull, quiet, cool) |
| nonchalant(adjective, calm, cool, temper, relaxed) |
| callous(adjective, person, quiet, mean, hard) |
| unfeeling(adjective, calm, dull, mean, hard) |
| uncaring(noun, adjective, calm, mean, hard) |
| cold(adjective, calm, dull, mean, hard) |
| unemotional(adjective, calm, dull, mean, hard) |
| languid(adjective, dull, quiet, weak, easy) |
| lethargic(adjective, calm, dull, weak, easy) |
| unresponsive(adjective, calm, person, dull, quiet) |
| lackadaisical(adjective, calm, dull, cool, weak) |
| unmoved(adjective, calm, dull, mean, hard) |