demoniac

/dɪˈməʊnɪak/

//dɪˈməʊnɪak// adj

"demoniac" is a 8-letter English headword indexed on PlainSpell.

The verdict

“demoniac” is uncommon English (outside the top frequency list), classed as an adjective. The kind of spelling people second-guess.

Unranked
below top-frequency English
8
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Possessed or controlled by a demon.

Corpus desk

Index EN-demoniac · demoniac · English

demoniac · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 8 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "D" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for demoniac
PropertyValue
Headworddemoniac
LanguageEnglish
Part of speechAdjective
IPA/dɪˈməʊnɪak/
Letters8
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “demoniac” in English

demoniacranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

demoniac is uncommon English outside the top frequency list, classed as anadjective, transcribed /dɪˈməʊnɪak/. Rarity is why readers land here mid-draft. 2 senses are on record.

We couldn't generate a plausible misspelling set for demoniac, and the word's spelling is regular enough that our generator found nothing worth flagging. Our confusable-pair dataset has no match for it, which typically means the spelling is too distinctive to be mistaken for another word.

Etymologically, the entry records: From Middle English demoniak et al., from Old French demoniaque, from Late Latin daemoniacus. The correct English form is demoniac, spelled D-E-M-O-N-I-A-C.

Definition

  1. 1
    Possessed or controlled by a demon.
  2. 2
    Of or pertaining to demons; demonic.

Recorded use

Wiktionary examples

These source excerpts show how demoniac appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. How dark may be the hiding of God's face, Or what demoniac forms may seize the helm Of reason...
  2. 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.

Etymology

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

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "demoniac"?
"demoniac" is spelled D-E-M-O-N-I-A-C. The IPA pronunciation is /dɪˈməʊnɪak/.
What does "demoniac" mean?
As an adjective, "demoniac" means: Possessed or controlled by a demon.
How do you pronounce "demoniac"?
The IPA (International Phonetic Alphabet) transcription for "demoniac" is /dɪˈməʊnɪak/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "demoniac"?
From Middle English demoniak et al., from Old French demoniaque, from Late Latin daemoniacus. See the full etymology section above for more details.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list