demonic

of, relating to, or worthy of an evil spirit the villain in the movie cackled with demonic laughter Synonyms cacodemonic, demoniac (also demoniacal), demonian, fiendish (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)