| unmotivated |
| impassive(adjective, calm, cool, relaxed, detached) |
| insensitive(adjective, unresponsive, unaware) |
| insusceptible(adjective, cool, blank, aloof, unemotional) |
| unsusceptible(adjective, cold, indifferent, unresponsive, numb) |
| adamant(adjective, mean, hard, tough, harsh) |
| airy(adjective, calm, cool, relaxed, detached) |
| aloof(adjective, calm, cool, relaxed, detached) |
| apathetic(adjective, calm, cool, relaxed, detached) |
| blase(adjective, calm, cool, relaxed, detached) |
| bullhead(adjective, mean, hard, tough, harsh) |
| callous(adjective, mean, hard, cool, tough) |
| careless(adjective, calm, cool, relaxed, detached) |
| cold(adjective, calm, cool, relaxed, indifferent) |
| cold-blooded(adjective, cool, blank, aloof, unemotional) |
| cold fish(expression, adjective, mean, hard, unfeeling) |
| collected(adjective, calm, cool, relaxed, casual) |
| composed(adjective, calm, cool, relaxed, casual) |
| cool(adjective, calm, relaxed, casual, blank) |
| disimpassioned(adjective, calm, cool, relaxed, detached) |