| unconnected |
| uncooperative |
| unequal(adjective, different, contrary, conflicting, unlike) |
| unfavorable |
| unfriendly |
| unlike(adjective, reverse, different, antagonistic, contrary) |
| unpropitious |
| unrelated(adjective, reverse, different, antagonistic, contrary) |
| unruly(negative, hostile, different, adverse, conflicting) |
| unsimilar(adjective, reverse, different, antagonistic, contrary) |
| up against(expression, hostile, counter, different, antagonistic) |
| various(adjective, different, contrary, conflicting, unlike) |
| violative |
| warring(hostile, different, inappropriate, antagonistic, contrary) |
| wayward(negative, hostile, different, adverse, conflicting) |
| weird(adjective, different, unique, unlike, contradictory) |
| whale of difference(expression, inappropriate, antagonistic, unsuitable, discordant) |
| wrongheaded(negative, hostile, different, adverse, conflicting) |
| aberrant(adjective, different, contrary, conflicting, atypical) |
| abnormal(adjective, different, contrary, conflicting, atypical) |