| deficient(adjective, bad, rough, poor, awful) |
| displeasing(noun, adjective, bad, poor, nasty) |
| dreadful(verb, adjective, person, feelings, emotions) |
| extreme(adjective, endured, defended, verbal attack) |
| forbidden(adjective, offensive, permitted, prohibited, unthinkable) |
| harsh(adjective, endured) |
| hideous(adjective, endured) |
| horrible(adjective, offensive, unpleasant, disagreeable, obnoxious) |
| ill-favored(adjective, like, unpleasant, suitable, disagreeable) |
| inapplicable(adjective, inappropriate, unfit, unsuitable, unfitting) |
| insufficient(adjective, bad, poor, offensive, inferior) |
| loathsome(verb, adjective, person, feelings, emotions) |
| lousy(noun, adjective, bad, rough, poor) |
| nasty(adjective, bad, unpleasant, awful, terrible) |
| prohibited(adjective, offensive, permitted, unthinkable, unmentionable) |
| sub-par |
| subpar |
| unlikely(adjective, inappropriate, unsuitable, unsuited, inapt) |
| unspeakable(adjective, endured) |
| abhorrent(adjective, bad, nasty, offensive, horrible) |