Synonyms and related words :
Mephistophelian, abominable, agape, agog, all agog, appalling, astounding, awe-inspiring, awesome, awful, barbaric, bloodthirsty, brutal, burning with curiosity, consumed with curiosity, cruel, curious, cursed, damnable, demoniac, demoniacal, demonic, demonish, demonlike, devil-like, devilish, diabolic, diabolical, dire, direful, disgusting, dread, dreaded, dreadful, execrable, fell, feral, ferocious, fiendish, fiendlike, formidable, ghastly, gossipy, grim, grisly, gruesome, hellish, hideous, horrendous, horrible, horrid, horrific, horrifying, infernal, inhuman, inquiring, inquisitive, interested, itchy, macabre, malign, merciless, monstrous, morbid, morbidly curious, ogreish, open-eyed, openmouthed, overcurious, pitiless, prurient, quizzical, redoubtable, ruthless, satanic, savage, schrecklich, scopophiliac, shocking, sick, supercurious, terrible, terrific, tremendous, ungodly, vicious, voyeuristic