| frightful(adjective, terrible, dirty, badly, scary) |
| frumpy(adjective, terrible, dirty, badly, scary) |
| ghastly(adjective, terrible, dirty, badly, scary) |
| grim(adjective, terrible, dirty, badly, scary) |
| grisly(adjective, terrible, dirty, badly, scary) |
| grody(adjective, bad, nasty, offensive, disgusting) |
| gross(adjective, bad, nasty, offensive, unpleasant) |
| grotty(adjective, awful, terrible, horrible, yuck) |
| heinous |
| hellish(adjective, awful, terrible, horrible, yuck) |
| hideous(adjective, awful, terrible, horrible, yuck) |
| humdrum |
| hurting |
| ill-favored(adjective, terrible, dirty, badly, scary) |
| ill-favoured(adjective, terrible, dirty, badly, scary) |
| ill favored(adjective, terrible, dirty, badly, scary) |
| ill favoured(adjective, terrible, dirty, badly, scary) |
| inane(adjective, dull, weak, boring, dead) |
| innocuous(adjective, dull, weak, flat, boring) |
| insufferable |