| serious(adjective, severe, nasty, offensive, unhappy) |
| severe(adjective, offensive, intense, terrible, property) |
| ailing(adjective, health, ill, sick, unwell) |
| amoral(adjective, wicked, grody) |
| contemptible(adjective, weak, wrong, evil, nasty) |
| disobedient(adjective, behaviour, mischievous) |
| distressing(adjective, severe, poor, sad, offensive) |
| fiendish(adjective, wrong, evil, violent, wild) |
| malevolent(adjective, mean, wrong, evil, nasty) |
| obnoxious(adjective, severe, nasty, offensive, unpleasant) |
| painful(adjective, severe, offensive, unpleasant, terrible) |
| stale(adjective, rank, corrupt, foul, disgusting) |
| damnable(adjective, evil, awful, terrible, corrupt) |
| horrendous(adjective, offensive, unpleasant, awful, terrible) |
| shabby(adjective, mean, weak, sad, unhappy) |
| sick(health, ill, improper, broken, unwell) |
| tainted(adjective, false, rank, corrupt, foul) |
| unacceptable(adjective, quality, poor, nasty, inferior) |
| unsound |
| worthless(adjective, weak, wrong, evil, sad) |