'Demon' definitions:

Definition of 'demon'

From: WordNet
noun
An evil supernatural being [syn: devil, fiend, demon, daemon, daimon]
noun
A cruel wicked and inhuman person [syn: monster, fiend, devil, demon, ogre]
noun
Someone extremely diligent or skillful; "he worked like a demon to finish the job on time"; "she's a demon at math"

Definition of 'Demon'

From: GCIDE
  • Demon \De"mon\, n. [F. d['e]mon, L. daemon a spirit, an evil spirit, fr. Gr. dai`mwn a divinity; of uncertain origin.]
  • 1. (Gr. Antiq.) A spirit, or immaterial being, holding a middle place between men and deities in pagan mythology. [1913 Webster]
  • The demon kind is of an intermediate nature between the divine and the human. --Sydenham. [1913 Webster]
  • 2. One's genius; a tutelary spirit or internal voice; as, the demon of Socrates. [Often written d[ae]mon.] [1913 Webster]
  • 3. An evil spirit; a devil. [1913 Webster]
  • That same demon that hath gulled thee thus. --Shak. [1913 Webster]

Definition of 'Demon'

From: Easton

Synonyms of 'Demon'

From: Moby Thesaurus
  • His Satanic Majesty,
  • Lucifer,
  • Satan,
  • Satanas,
  • the Adversary,
  • the Arch-fiend,
  • the archenemy,
  • the Common Enemy,
  • the Demon,
  • the Devil,
  • the Devil Incarnate,
  • the Evil One,
  • the Evil Spirit,
  • the Fiend,
  • the Foul Fiend,
  • the Old Enemy,
  • the Old Serpent,
  • the serpent,
  • the Tempter,
  • the Wicked One

Synonyms of 'demon'

From: Moby Thesaurus

Words containing 'Demon'