demoniac

of, relating to, or worthy of an evil spirit the murderer seemed possessed by a demoniac wish to destroy life Synonyms cacodemonic, fiendish (also demoniacal), demonian, demonic (also demonical), devilish, diabolical (or diabolic), Luciferian, satanicRelated Words hellish, infernal; baleful, evil, sinister; malevolent, malicious, malignant; heinous, monstrous; black, immoral, iniquitous, nefarious, vicious, vile, villainous, wicked; barbarous, cruel, ferocious, inhuman, savageNear Antonyms celestial, heavenly; beneficent, benevolent, benign, benignant; godly, holy, sainted, saintly; ethical, good, moral, righteous, virtuousAntonyms angelic (or angelical)