Definition of devilism in English:

devilism

noun

historical
  • 1Action or conduct characteristic of a devil; devilishness; wickedness, evil.

  • 2Worship of the Devil or devils; practices or rites thought to involve devils.

Origin

Mid 17th century; earliest use found in John Goodwin (?1594–1665), Independent minister. From devil + -ism.

Pronunciation

devilism

/ˈdɛvɪlɪz(ə)m//ˈdɛv(ə)lɪz(ə)m/