- devil, fiend, demon, daemon, daimon - one of the evil spirits of traditional Jewish and Christian belief
--1 is a kind of evil spirit
--1 has particulars: incubus; succubus, succuba; dybbuk, dibbukDerived form: verb demonize1 - monster, fiend, devil, demon, ogre - a cruel wicked and inhuman person
--2 is a kind of unpleasant person, disagreeable person
--2 has particulars: demoniacDerived form: verb demonize1 - demon - someone extremely diligent or skillful; "he worked like a demon to finish the job on time"; "she's a demon at math"
--3 is a kind of actor, doer, worker