| ugly |
| undesireworthy(adjective, arouse bad feelings, arouse bad emotions) |
| unsatisfactory(adjective, help, inexpedient) |
| unsuitable(adjective, inexpedient) |
| untimely(adjective, negative, disapproving, uncomplimentary, inexpedient) |
| unwelcome(adjective, arouse bad emotions) |
| bothersome(adjective, untimely) |
| calamitous(adjective, negative, injurious, damaging, destructive) |
| corroding(injurious, damaging, destructive) |
| corrupting(distressing, harmful, injurious, damaging, destructive) |
| counterproductive(weak, stupid, idle, useless, incompetent) |
| debit-side(adjective, damaging, disparaging, hurtful, detrimental) |
| dire(adjective, injurious, damaging, destructive, arouse bad emotions) |
| disserviceable |
| distressing(cruel, unkind, upsetting, harmful, damaging) |
| downside(adjective, damaging, disparaging, hurtful, detrimental) |
| dyslogistic(adjective, damaging, disparaging, hurtful, detrimental) |
| hopeless(weak, stupid, idle, useless, incompetent) |
| impracticable(weak, stupid, idle, useless, incompetent) |
| incommodious(adjective, inexpedience, inconvenient) |