from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An evil spirit; a demon.
  • n. The Devil; Satan.
  • n. A diabolically evil or wicked person.
  • n. Informal One who is addicted to something: a dope fiend.
  • n. Informal One who is completely absorbed in or obsessed with a given job or pastime: a crossword-puzzle fiend.
  • n. Informal One who is particularly adept at something: a fiend with computers.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A demon
  • n. A very evil person
  • n. An addict

from the GNU version of the Collaborative International Dictionary of English

  • n. An implacable or malicious foe; one who is diabolically wicked or cruel; an infernal being; -- applied specifically to the devil or a demon.

from The Century Dictionary and Cyclopedia

  • n. An enemy; a foe.
  • n. Specifically, the enemy of mankind; Satan; the devil.
  • n. Hence, in a general sense, a devil; a demon; a malignant or diabolical being; an evil spirit.
  • n. An exceedingly wicked, cruel, spiteful, or destructive person: as, a dynamite fiend; a fire fiend.
  • n. A person who gives great annoyance; a persistent bore: as, the newspaper fiend; the hand-organ fiend.
  • n. Synonyms See devil.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a cruel wicked and inhuman person
  • n. an evil supernatural being
  • n. a person motivated by irrational enthusiasm (as for a cause)


Middle English, from Old English fēond; see pē(i)- in Indo-European roots.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Middle English feend ("enemy, demon"), from Old English fēond ("enemy"). Cognate with Old Norse fjándi (Danish fjende, Swedish fiende), German Feind, Gothic 𐍆𐌹𐌾𐌰𐌽𐌳𐍃 (fijands), all of them meaning foe. The Old Norse and Gothic terms are present participles of the corresponding verbs fjá/fijan, to hate. Akin to Sanskrit पियति (piyati, "(he) reviles"). (Wiktionary)



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