Standard Lemma guide

demoniac

adj · noun · 5 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • UK: /dɪˈməʊnɪak/
  • UK: /diməˈnaɪæk/
  • US: Recorded audio is listed in the source snapshot.

1

adj

Meaning 1

Possessed or controlled by a demon.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

Of or pertaining to demons; demonic.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: demoniacal, devilish, diabolic, cacodaemoniacal, daemonical, demoniac, demonic, demonical, demonish, demonlike, demonly, diabolical, fallen angelic, fiendlike, satanic, satanical

Antonyms: none provided

3

noun

Meaning 3

Someone who is possessed by a demon.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

adjective satellite

Meaning 4

frenzied as if possessed by a demon

Definition source: Princeton WordNet 3.0

Examples

  • the soldier was completely amuck
  • berserk with grief
  • a berserk worker smashing windows

Meaning relationships

Synonyms: amuck, amok, berserk, demoniacal, possessed(p)

Antonyms: none provided

5

noun

Meaning 5

someone who acts as if possessed by a demon

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: monster, fiend, devil, demon, ogre

History

Etymology

From Middle English demoniak et al., from Old French demoniaque, from Late Latin daemoniacus.

Across languages

Translations

5 source translations are retained for this English entry.

  • French: démoniaque — possessed by a demon
  • Plautdietsch: besäten — possessed by a demon
  • Russian: беснова́тый (besnovátyj) — possessed by a demon
  • Ukrainian: біснува́тий (bisnuvátyj) — possessed by a demon
  • Esperanto: demona — pertaining to demons