Resembling a devil.
Characterized by or indicating future misfortune; ominous:
Extremely wicked or cruel.
Of, characteristic of, or like Satan; devilish; infernal; diabolic
Subtly sly and tempting.
Mean-spirited or deliberately hurtful; malicious:
Morally base or evil; wicked; depraved; sinful
Morally bad or wrong; acting or done with evil intent; depraved
Extremely evil or cruel.
extremely evil or cruel; expressive of cruelty or befitting hell
showing the cunning or ingenuity or wickedness typical of a devil
Alternative capitalization of Mephistophelean
Find another word for diabolical. In this page you can discover 22 synonyms, antonyms, idiomatic expressions, and related words for diabolical, like: devilish, cruet, demoniac, evil, fiendish, heinous, hellish, infernal, satanic, serpentine and vicious.