| cold(adjective, calm, dull, cool, flat) |
| emotionless(adjective, calm, dull, cool, flat) |
| stoic(adjective, calm, cool, blank, aloof) |
| apathetic(adjective, calm, dull, quiet, cool) |
| frigid(adjective, calm, dull, cool, flat) |
| impassive(adjective, calm, dull, cool, slow) |
| unemotional(adjective, calm, dull, cool, flat) |
| indifferent(adjective, calm, dull, quiet, cool) |
| cool(adjective, calm, dull, flat, informal) |
| heartless(adjective, cool, indifferent, detached, blank) |
| unfeeling(adjective, calm, dull, cool, flat) |
| dispassionate(adjective, calm, dull, cool, flat) |
| unresponsive(adjective, calm, dull, quiet, cool) |
| imperturbable(adjective, cool, indifferent, unfriendly, blank) |
| aloof(adjective, cool, cold, indifferent, detached) |
| detached(adjective, indifferent, unfriendly, distant, apathetic) |
| icy(adjective, cool, cold, detached, unfriendly) |
| inhibited(adjective, cool, detached, unfriendly, aloof) |
| nonchalant(adjective, cool, indifferent, detached, blank) |
| spiritless(adjective, dull, quiet, cool, slow) |