| fiendish(adjective, unusual, wonderful, marvelous, charming) |
| insane(adjective, evil, frenzied, crazed, devilish) |
| satanic(adjective, evil, vile, wicked, crazed) |
| demonic(adjective, evil, passionate, vile, wicked) |
| devilish(adjective, evil, harsh, violent, cruel) |
| cruel(adjective, evil, nasty, harsh, pain) |
| diabolic(adjective, evil, unusual, wonderful, marvelous) |
| hellish(adjective, evil, nasty, harsh, violent) |
| infernal(adjective, harsh, violent, cruel, vicious) |
| violent(adjective, evil, harsh, passionate, cruel) |
| demoniacal(adjective, evil, passionate, inflamed, nonresistant) |
| wicked(adjective, evil, nasty, harsh, vicious) |
| mad(noun, adjective, evil, cruel, vicious) |
| berserk(adjective, passionate, cruel, crazy, vicious) |
| possessed(adjective, evil, crazed, devilish, infernal) |
| Mephistophelian(adjective, evil, vile, wicked, execrable) |
| bloodthirsty(adjective, evil, nasty, harsh, violent) |
| diabolical(adjective, evil, harsh, violent, cruel) |
| furious(adjective, harsh, violent, cruel, vicious) |
| ruthless(adjective, evil, nasty, harsh, violent) |