fiend meaning and definition

FIEND noun

Definition of fiend (noun)

1. a cruel wicked and inhuman person
   • synonyms: demon, devil, monster, ogre
2. an evil supernatural being
   • synonyms: daemon, daimon, demon, devil
3. a person motivated by irrational enthusiasm (as for a cause)
   • "A fanatic is one who can't change his mind and won't change the subject"--Winston Churchill
   • synonyms: fanatic