diabolism noun.
[dʌɪ'abǝlɪz(ǝ)m] E17.[from ecclesiastical Latin diabolus or Greek diabolos DEVIL noun + -ISM.]1. Dealings with the Devil or evil spirits; witchcraft, sorcery.
E17.2. Belief in or worship of the Devil.
M17.3. Devilish or atrociously wicked conduct.
L17.4. The character or nature of a devil.
M18. ■ diabolist noun a person who believes in or seeks to deal with the Devil
L19. [TahlilGaran] English Dictionary ▲