Definition of Fiend

1. Noun. A cruel wicked and inhuman person.

Exact synonyms: Demon, Devil, Monster, Ogre
Generic synonyms: Disagreeable Person, Unpleasant Person
Specialized synonyms: Demoniac
Derivative terms: Demonic, Demonize, Devilize, Diabolic, Diabolic, Monstrous

2. Noun. An evil supernatural being.
Exact synonyms: Daemon, Daimon, Demon, Devil
Generic synonyms: Evil Spirit
Specialized synonyms: Incubus, Succuba, Succubus, Dibbuk, Dybbuk
Derivative terms: Demonize, Devilize

3. Noun. 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"
Exact synonyms: Fanatic
Generic synonyms: Enthusiast, Partisan, Partizan
Derivative terms: Fanatic, Fanatical

Definition of Fiend

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

Definition of Fiend

1. Noun. A demon ¹

2. Noun. A very evil person ¹

3. Noun. (informal) An addict ¹

¹ Source: wiktionary.com

Definition of Fiend

1. a demon [n -S] - See also: demon

Medical Definition of Fiend

1. An implacable or malicious foe; one who is diabolically wicked or cruel; an infernal being; applied specifically to the devil or a demon. "Into this wild abyss the wary fiend Stood on the brink of Hell and looked a while." (Milton) "O woman! woman! when to ill thy mind Is bent, all hell contains no fouler fiend." (Pope) Origin: OE. Fend, find, fiend, feond, fiend, foe, AS. Feond; akin to OS. Fiond, D. Vijand enemy, OHG. Fiant, G. Feind, Icel. Fjand, Sw. & Dan. Fiende, Goth. Fijands; orig. P.pr. Of a verb meaning to hate, AS. Feon, feogan, OHG. Fin, Goth. Fijan, Skr. Piy to scorn; prob. Akin to E. Feud a quarrel. 81. Cf. Foe, Friend. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Fiend

fieldside
fieldsman
fieldsmen
fieldstone
fieldstones
fieldstrip
fieldstripped
fieldstripping
fieldstrips
fieldwork
fieldworker
fieldworkers
fieldworks
fieldy
fielty
fiend (current term)
fiendful
fiendish
fiendishly
fiendishness
fiendishnesses
fiendlike
fiendly
fiends
fient
fientive
fients
fier
fierasfer
fierce

Literary usage of Fiend

Below you will find example usage of this term as found in modern and/or classical literature:

1. Blackwood's Edinburgh Magazine (1827)
"Woe to the fiend, whose deed« of Ш first lit this fierce control ! In vision now, to plague his heart, the fiend is storm M away, For God, in future days, ..."

2. The Pilgrim's Progress by John Bunyan (1860)
"When they were down in the valley, Piety said to Christiana, This is the place where your husband met with the foul fiend Apollyon, and where they had that ..."

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