Meanings
comparative more demoniac · superlative most demoniac · alternative daemoniac · alternative dæmoniac
- Possessed or controlled by a demon.
- Of or pertaining to demons; demonic.
How dark may be the hiding of God's face, Or what demoniac forms may seize the helm Of reason...
1827, Lydia Huntley Sigourney, Poems, 1827: The Sweetness of Life, page 242 more examples
Animal fury and orgiastic licence here whipped themselves to demoniac heights by howls and squawking ecstasies that tore and reverberated through those nighted woods like pestilential tempests from the gulfs of hell.
1928 February, H[oward] P[hillips] Lovecraft, “The Call of Cthulhu”, in Farnsworth Wright, editor, Weird Tales: A Magazine of the Bizarre and Unusual, volume XI, number 2, Indianapolis, Ind.: Popular Fiction Publishing Company, →OCLCThere was movement everywhere, screaming, demoniac activity; the old man was coming across the tumbling logs.
1955, William Golding, The Inheritors, Faber & Faber, published 2005, page 216Synonyms: demoniacal, devilish, diabolic, cacodaemoniacal, daemonical, demoniacal, demonic, demonical
plural demoniacs · alternative daemoniac · alternative dæmoniac
- Someone who is possessed by a demon.
The exorcism was dropped from the second Edwardian Prayer Book, because of its implication that unbaptised infants were demoniacs […].
1971, Keith Thomas, Religion and the Decline of Magic, Folio Society, published 2012, page 53
Synonyms & antonyms
adjectiveOf or pertaining to demons; demonic.
More synonyms by meaning
adjectiveof, pertaining to, or like a demon or possession by a demon
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
- Late Latindaemoniacus
- Old Frenchdemoniaque
- Middle Englishdemoniak
- Englishdemoniac
From Middle English demoniak et al., from Old French demoniaque, from Late Latin daemoniacus.
More words from Middle English, Old French, Late Latin
Full word history & related roots →Translations
Esperanto demona
- demonapertaining to demons
French démoniaque
- démoniaquepossessed by a demon
Polish demoniczny, diabelski
- demonicznypossessed by a demon
- diabelskipossessed by a demon
- demonicznypertaining to demons
- diabelskipertaining to demons
Russian беснова́тый
- беснова́тый (besnovátyj)possessed by a demon
Ukrainian біснува́тий
- біснува́тий (bisnuvátyj)possessed by a demon
Rhymes & wordplay
Anagrams
Cite this entry
demoniac. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/demoniac
“demoniac.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/demoniac. Accessed November 2, 2026.
WatkinsX Dictionary, s.v. “demoniac,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/demoniac.
Source: demoniac on Wiktionary, CC BY-SA 4.0.