| unamenable |
| unanswered(adjective, calm, quiet, humble, shy) |
| unforthcoming(adjective, reserved, reticent, taciturn) |
| unimpassioned(adjective, calm, restrained, unfriendly, aloof) |
| unkindly(adjective, bad, cold, aloof, coldhearted) |
| unloving(adjective, cool, cold, detached, unfriendly) |
| unmerciful(adjective, coldhearted) |
| unmotivated |
| unreciprocated(adjective, calm, quiet, humble, shy) |
| unsocial(adjective, indifferent, modest, nervous, humble) |
| unsusceptible(adjective, hard, careless, indifferent, cruel) |
| unyielding(adjective, cold, indifferent, impassive, stubborn) |
| withdrawn(adjective, indifferent, restrained, detached, unfriendly) |
| without response(adjective, calm, quiet, humble, shy) |
| wooden(adjective, dull, quiet, flat, cold) |
| Laodicean(adjective, cold, dead, apathy, passive) |
| anesthetized(adjective, flat, cold, numb, insensitive) |
| antisocial |
| asleep(still, lifeless, inactive, numb, inert) |
| calm(adjective, cold, indifferent, restrained, detached) |