demon.
An evil supernatural being.
Meaning & usage
An evil supernatural being. An evil being resident in or working for Hell; a devil.
An evil supernatural being. A false god or idol; a Satanic divinity.
An evil supernatural being. A very wicked or malevolent person; also (in weakened sense) a mischievous person, especially a child.
An evil supernatural being. 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.
An evil supernatural being. A person's fears or anxieties.
A neutral supernatural being. A person's inner spirit or genius; a guiding or creative impulse.
A neutral supernatural being. 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.
A neutral supernatural being. A supernatural being not considered to be inherently evil; a (non-Christian) deity.
A neutral supernatural being. A hypothetical entity with special abilities postulated for the sake of a thought experiment in philosophy or physics.
Someone with great strength, passion or skill for a particular activity, pursuit etc.; an enthusiast.
He’s a demon at the card tables.
A type of patience or solitaire (card game) played in the UK and/or US.
Any of various hesperiid butterflies of the genera Notocrypta and Udaspes.
Where this word 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.
Acronym of distinct electron motion particle: a quasiparticle, a type of massless neutral electron excitation associated with superconductivity.
Where this word comes from
From distinct electron motion + -on.
Alternative spelling of daemon.
Where this word comes from
From Maxwell's demon; a derivation from “disk and execution monitor” is generally considered a backronym.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.