| uncleanly(adjective, adverb, corrupt, dishonest, crooked) |
| underhanded(adjective, corrupt, dishonest, deceitful, unwarranted) |
| undeserved(wrong, unwarranted, unfair, unjustified, undue) |
| undue(unwarranted, unfair) |
| unethical(adjective, corrupt, dishonest, deceitful, crooked) |
| unforgivable(wrong, unwarranted, unfair, unjustified, undue) |
| unjustified(wrong, unwarranted, unfair, undue, biassed) |
| unjustly |
| unlawfully |
| unmerited(wrong, unwarranted, unfair, unjustified, undue) |
| unreasonable(unwarranted, unfair, undue) |
| unrighteous(wrong, unwarranted, unfair, unjustified, undue) |
| untruthful(adjective, corrupt, dishonest, crooked, unfair) |
| unwarranted(unfair, undue) |
| vile(adjective, corrupt, dishonest, crooked, unfair) |
| vulgar(adjective, corrupt, dishonest, crooked, unfair) |
| wrong(unwarranted, unfair, undue, biassed) |
| wrongful(wrong, unwarranted, unfair, undue, biassed) |
| wrongly |