| counterproductive |
| difficult(adjective, adverse) |
| inconvenient(adjective, damaging, troublesome, disparaging, hurtful) |
| miserable(adjective, adverse) |
| offensive(adjective, evil) |
| pestilent(adjective, harmful, dangerous, poisonous, toxic) |
| repugnant(adjective, bad, weak, evil, gloomy) |
| repulsive(adjective, evil) |
| sinful(adjective, evil, injurious, damaging, destructive) |
| terrible(adjective, evil, dangerous) |
| undesireworthy(adjective, arouse bad feelings, arouse bad emotions) |
| unfortunate(adjective, hostile, unfriendly, antagonistic, contrary) |
| unfriendly(adjective, hostile, antagonistic, contrary, adverse) |
| unlucky(adjective, hostile, unfriendly, antagonistic, contrary) |
| unpropitious(adjective, hostile, unfriendly, antagonistic, contrary) |
| unsound(adjective, bad, offensive, foul, unhealthy) |
| untoward(adjective, adverse) |
| unuseful |
| vicious(adjective, mean, bad, evil, nasty) |
| violent |