| fiendish(adjective, animal, mean, bad, kind) |
| diabolic(adjective, kind, evil, vile, wicked) |
| satanic(adjective, kind, evil, cruel, vile) |
| hellish(adjective, kind, evil, harsh, unpleasant) |
| infernal(adjective, kind, evil, harsh, violent) |
| diabolical(adjective, animal, mean, kind, evil) |
| demonic(adjective, evil, dark, terrible, vile) |
| evil(adjective, wicked) |
| wicked(adjective, bad, wrong, evil, rude) |
| mephistophelian(adjective, wicked) |
| sinful(adjective, bad, wrong, evil, rude) |
| demoniac(adjective, evil, harsh, violent, cruel) |
| impish(adjective, mischievous) |
| iniquitous(adjective, wicked) |
| roguish(adjective, deceitful) |
| mischievous |
| bad(adjective, wrong, evil, rude, wicked) |
| puckish(adjective, naughty, jaunty, mischievous, impish) |
| atrocious(adjective, wrong, evil, harsh, terrible) |
| inhuman(adjective, animal, evil, violent, terrible) |