| malevolent(adjective, nasty, violent, terrible, wild) |
| malodorous(adjective, offensive, unpleasant, disgusting, indecent) |
| mephitic |
| plain(adjective, ugly) |
| putrid(adjective, taste, offensive, unpleasant, awful) |
| rancid |
| revulsive(bad, disgusting, vile, revolting, repulsive) |
| seamy |
| shameful(adjective, nasty, offensive, unpleasant, awful) |
| sinful(adjective, perverted) |
| stomach-turning(adjective, disgusting, revolting, hideous, nauseating) |
| tainted(adjective, offensive, unpleasant, disgusting, vicious) |
| terrifying(adjective, nasty, unpleasant, awful, disgusting) |
| unaesthetic(adjective, ugly) |
| unclean(adjective, taste, offensive, unpleasant, awful) |
| uninviting(tough, offensive, unpleasant, disgusting, painful) |
| unlikable(adjective, bad, nasty, offensive, disgusting) |
| unloved(adjective, hated, detested, loathed) |
| unpleasing(adjective, ugly) |
| unsavory(offensive, unpleasant, disgusting, painful, tasteless) |