· a cruel wicked and inhuman person
Synonym(s): monster, devil, demon, ogre
Hypernym(s): unpleasant_person, disagreeable_person
· an evil supernatural being
Synonym(s): devil, demon, daemon, daimon
Hypernym(s): evil_spirit
· 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
Synonym(s): fanatic
Hypernym(s): enthusiast, partisan, partizan