demon

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demon¹

  • /ˈdiː.mən/

Sounds like daemon · Rhymes with -iːmən

Where it comes from

From Middle English demon, a borrowing from Medieval Latin dēmōn, daemōn (“lar, familiar spirit, guardian spirit”), from Ancient Greek δαίμων (daímōn, “dispenser, god, protective spirit”). Displaced native Old English sċucca (“evil spirit”) and Old English þyrs (“ogre or monster”). Doublet of daimon; also more distantly a doublet or piecewise doublet of time.

noun demons · daimon · daemon · dæmon

  1. An evil being resident in or working for Hell; a devil. So what does the Gospel of Judas really say? It says that Judas is a specific demon called the "Thirteenth." In certain Gnostic traditions, this is the given name of the king of demons - an entity known as Ialdabaoth who lives in the 13th realm above the earth. Judas is his human alter ego, his unde
  2. historical A false god or idol; a Satanic divinity.
  3. broadly, figuratively A very wicked or malevolent person; also (in weakened sense) a mischievous person, especially a child.
  4. A source (especially personified) of great evil or wickedness; a destructive feeling or character flaw. The demon of stupidity haunts me whenever I open my mouth.
  5. in plural A person's fears or anxieties. After a short spell on an adult psychiatric ward, she decided to find her own way to deal with her demons.
  6. A person's inner spirit or genius; a guiding or creative impulse. Oh Anthony […] Thy Dæmon that thy spirit which keepes thee, is Noble, Couragious, high vnmatchable.
  7. Greek A tutelary deity or spirit intermediate between the major Olympian gods and mankind, especially a deified hero or the entity which supposedly guided Socrates, telling him what not to do.
  8. A supernatural being not considered to be inherently evil; a (non-Christian) deity.
  9. A hypothetical entity with special abilities postulated for the sake of a thought experiment in philosophy or physics. Let the orders now be that each demon is to stop all molecules from crossing his area in either direction except 100 coming from A, arbitrarily chosen to be let pass into B, and a greater number, having among them less energy but equal momentum, to cross from B to A.
  10. Someone with great strength, passion or skill for a particular activity, pursuit etc.; an enthusiast. He’s a demon at the card tables.
  11. A type of patience or solitaire (card game) played in the UK and/or US. ‘That's much the best feeling to have.’ She dealt out the first row of ‘demon’.
  12. Any of various hesperiid butterflies of the genera Notocrypta and Udaspes.

Similar: genius, tutelary deity, barghest, bogie, bogeyman, boggard, bogle, cacodemon, daeva, devil, evil genius, fiend, flibbertigibbet, ghoul, goblin, imp, kobold, nis, spook, troll

demon²

  • /ˈdiː.mən/

Sounds like daemon · Rhymes with -iːmən

noun demons

  1. abbreviation, acronym Acronym of distinct electron motion particle: a quasiparticle, a type of massless neutral electron excitation associated with superconductivity.

    Similar: DEMon, Pines' Demon, Pines Demon, Pines' demon, Pines demon, Pines's demon, Pines's Demon

Similar: barghest, bogie, bogeyman, boggard, bogle, cacodemon, daeva, devil, evil genius, fiend, flibbertigibbet, ghoul, goblin, imp, kobold, nis, spook, troll

demon³

  • /ˈdiː.mən/

Sounds like daemon · Rhymes with -iːmən

Where it comes from

From Maxwell's demon; a derivation from “disk and execution monitor” is generally considered a backronym.

noun demons · daemon · dæmon

  1. alternative Alternative spelling of daemon

Similar: barghest, bogie, bogeyman, boggard, bogle, cacodemon, daeva, devil, evil genius, fiend, flibbertigibbet, ghoul, goblin, imp, kobold, nis, spook, troll

Demon⁴

noun

  1. uncountable Alternative letter-case form of demon (“card game”).

Demon⁵

  • /ˈdiː.mən/

Sounds like daemon · Rhymes with -iːmən

Where it comes from

From Ancient Greek δῆμος (dêmos, “ordinary citizens, common people from a district, in a city-state”).

proper noun

  1. A male given name from Ancient Greek. Demon writes that Taurus, the chief captain of Minos, was slain by Theseus at the mouth of the port, in a naval combat as he was sailing out for Athens.

Thesaurus

Closest in meaning: devil, daimon, daemon, fiend, ogre, monster, satan, hell, witch, ghost, sorceress, haunted, warlock, jinni, freak, evil

Translations

Every language

noun evil being

Españoldemonio, shapshico, mengue, demonche, demontre, diantre
한국어데몬 demon, 악귀 akgwi, 요마 yoma, 악마 angma
日本語悪魔 akuma, 悪霊 akuryō, 鬼 oni, デーモン dēmon, 妖魔 yōma
中文邪魔 xiémó, 邪神 xiéshén, 魔鬼 móguǐ, 惡魔 /恶魔 èmó, 妖魔 yāomó
हिन्दीदानव dānav, दैत्य daitya, देव dev, शैतान śaitān, राक्षस rākṣas, इब्लीस iblīs
Kiswahilipepo
Françaisdémon
DeutschDämon, Teufel
Italianodemone, demonio
Ελληνικάδαίμονας daímonas, δαιμόνιο daimónio
Românădemon
Русскийбес bes, де́мон démon, чёрт čort
Tiếng Việtquỷ, ma quỷ, yêu ma, ma quái, ác quỷ
العربيةشَيْطَان šayṭān
עבריתשֵׁד shéd

noun false god, Satanic divinity

日本語悪魔 akuma, 鬼神
中文惡魔 /恶魔 èmó
हिन्दीराक्षस rākṣas, शैतान śaitān, देव dev, इबलीस iblīs
Kiswahilipepo
Françaisdiable
DeutschDämon
ItalianoDemonio
Ελληνικάδαίμονας daímonas, δαιμόνιο daimónio
Românădrac, драк drac
Русскийбес bes, де́мон démon, чёрт čort
עבריתשָׂטָן satán

noun inner spirit or genius

Kiswahilipepo
Italianodemonio
Русскийдух dux
עבריתמגיד magid

noun person with great energy or skill, enthusiast

日本語鬼 oni, 達人 tatsujin
中文惡魔 /恶魔 èmó
हिन्दीराक्षस rākṣas
Kiswahilishetani
Italianodemonio
Românădemon
עבריתשֵׁד shéd

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Cite this
MLA

"demon." Wiktionary, via Micwyn, micwyn.com/word/demon. Accessed 6 Nov. 2026.

APA

demon. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/demon

Chicago

"demon." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/demon.

BibTeX
@misc{demon_2026,
  title = {demon},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/demon},
  urldate = {2026-11-06}
}