| uncommon(adjective, separate, simple, extraordinary, unusual) |
| uncompounded(adjective, separate, simple, special, individual) |
| undivided(adjective, separate, simple, special, individual) |
| unitary(adjective, separate, simple, special, individual) |
| unmixed(adjective, separate, simple, special, individual) |
| unrivaled(adjective, separate, simple, special, individual) |
| unshared(adjective, separate, simple, special, individual) |
| unusual(noun, adjective, separate, simple, extraordinary) |
| without equal(expression, adjective, separate, simple, special) |
| alone(adjective, separate, simple, extraordinary, unusual) |
| aloof(adjective, informal, remote, reserved, unassertive) |
| case(original, oddity) |
| character(unusual, original, oddity, oddball) |
| separate(adjective, simple, extraordinary, unusual, outstanding) |
| above(adjective, indifferent, detached, distant, remote) |
| alien |
| anchoress |
| apart(adjective, indifferent, detached, distant, remote) |
| bedridden invalid |
| careerist |