| hard-hearted(adjective, bad, cold, detached, aloof) |
| hardened(adjective, cool, blank, aloof, unemotional) |
| numb(adjective, insensitive) |
| passive(adjective, calm, dull, flat, indifferent) |
| spiritless(adjective, cool, cold, indifferent, useful) |
| stoical(adjective, cool, cold, indifferent, blank) |
| stolid(adjective, calm, dull, cool, tough) |
| unaffected(adjective, tough, attitude, cold, indifferent) |
| undemonstrative(adjective, calm, dull, cool, flat) |
| blunt(adjective, insensitive) |
| dead(adjective, cool, unfriendly, aloof, distant) |
| dull(adjective, calm, tough, flat, rational) |
| hard(adjective, insensitive) |
| phlegmatic(adjective, calm, dull, cool, tough) |
| uncompassionate(adjective, calm, dull, flat, detached) |
| unimpassioned(adjective, cool, tough, rational, straightforward) |
| calm(adjective, tough, cold, indifferent, rational) |
| chilly |
| composed(adjective, calm, cool, detached, blank) |
| deadpan(adjective, calm, dull, tough, flat) |