| unchanged(adjective, calm, restrained, unconcerned, subdued) |
| uncompassionate(adjective, mean, hard, tough, severe) |
| uncompromising(adjective, mean, hard, tough, harsh) |
| unconcerned(adjective, calm, indifferent, restrained, detached) |
| uncooperative(adjective, mean, hard, tough, harsh) |
| uncordial(adjective, hard, tough, severe, cold) |
| undemonstrative(adjective, cool, detached, blank, sober) |
| unexcited(adjective, calm, restrained, detached, unconcerned) |
| unfeeling(adjective, mean, cool, tough, harsh) |
| unfriendly(adjective, indifferent, detached, distant, remote) |
| unimpassioned(adjective, calm, cool, restrained, detached) |
| unimpressed(adjective, calm, restrained, unconcerned, subdued) |
| unimpressible(adjective, mean, hard, tough, harsh) |
| uninfluenced(adjective, calm, restrained, unconcerned, subdued) |
| uninterested(adjective, indifferent, detached, distant, remote) |
| unkind(adjective, hard, tough, severe, harsh) |
| unmoved(adjective, calm, restrained, detached, sober) |
| unrelenting(adjective, mean, hard, tough, harsh) |
| unresponsive(adjective, calm, indifferent, restrained, detached) |
| unruffled(adjective, calm, restrained, detached, unconcerned) |