SATANIC

adj. 1 diabolic(al), fiendish, devilish, Mephistophelian, demonic, demoniac(al), infernal, cacodemonic, ghoulish, hellish, infernal, evil, wicked, iniquitous, corrupt, depraved, perverted, perverse, godless, ungodly, impious, unholy, sinister, dark, black, immoral, amoral They practise witchcraft and other satanic inventions 2 dire, monstrous, heinous, atrocious, hideous, horrible, horrendous, horrid, horrifying, loathsome, vile, abhorrent, unspeakable, unutterable, damnable, despicable, abominable The miners worked under positively satanic conditions