| tufthunter |
| unaccompanied(adjective, alone) |
| unapproachable(adjective, indifferent, detached, distant, remote) |
| unassertive(adjective, modest, nervous, humble, hesitant) |
| unassured(adjective, modest, nervous, humble, hesitant) |
| unconcerned(adjective, indifferent, detached, distant, remote) |
| uneager(adjective, modest, nervous, humble, hesitant) |
| uneffusive(adjective, modest, nervous, humble, hesitant) |
| unfriendly(adjective, indifferent, detached, distant, remote) |
| uninterested(adjective, indifferent, detached, distant, remote) |
| unresponsive(adjective, indifferent, modest, nervous, humble) |
| unsociable(adjective, indifferent, detached, distant, remote) |
| unsocial(adjective, modest, nervous, humble, hesitant) |
| unsympathetic(adjective, indifferent, detached, distant, remote) |
| unwed(adjective, single) |
| uppity(adjective, indifferent, detached, distant, remote) |
| user(noun, adverb) |
| withdrawn(verb, adjective, indifferent, detached, distant) |
| zealot |
| afraid(adjective, modest, humble, hesitant, suspicious) |