Demoniac is an uncommonnot seen or heard very often word for something connected with a demon, or for a person who seems to be possessedcontrolled by an evil spirit by one. It is used mainly in older or literaryappropriate for books and formal writing, not everyday speech language.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-15. AI assessment; not a guarantee of accuracy.
Pronunciation
AI-generated pronunciation audio (OpenAI).
Accent: General American English
IPA: /dih-MOH-nee-ak/
Easy pronunciation: dih-MOH-nee-ak (approximate spelling).
Stress: Primary stress on the second syllable: MOH.
Adjective only: meaning evil, demonlike, or like possession by a demon.
Reviewed with OpenAI Decisions. Assessment: inaccurate — correction needed. Checked: 2026-10-15. AI assessment; not a guarantee of accuracy.
Demoniac Meaning
Evil, demonlike, or like someone possessed by a demon.
Part of speech: adjective
Definition: Of, relating to, or resembling a demon or demonic possession.
Example: The old story described a demoniac figure roaming the hills at night.
Synonyms for this meaning:
- demoniacal — Direct adjective synonym for the demon-like sense.
- possessed — Works when the meaning is literally 'seeming to be controlled by a demon,' but is less exact in general use.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-15. AI assessment; not a guarantee of accuracy.
Other Meanings of Demoniac
Meaning 2
A person who behaves in a wildly disturbed or possessed way.
Part of speech: noun
Definition: A person who acts as if possessed by a demon.
Example: The novel’s villain was treated as a demoniac by the villagers.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-15. AI assessment; not a guarantee of accuracy.
Demoniac Synonyms
Similar Meaning
- demoniacal
- possessed
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-15. AI assessment; not a guarantee of accuracy.
Common Mistakes
- Do not confuse demoniac with demonic, which is the more common modern adjective.
- The noun demoniac is rare and usually appears in literary, religious, or historical writing.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-15. AI assessment; not a guarantee of accuracy.
Frequently Asked Questions
What does demoniac mean?
Demoniac usually means demonlike, or it can refer to a person who seems to be possessed by a demon.
What is a synonym for demoniac?
For the adjective sense, demoniacal is the closest synonym. Possessed can work in some contexts, but it is less exact.
Is demoniac a common word?
No. It is rare and is mostly found in older, literary, or religious contexts.
Reviewed with OpenAI Decisions. Assessment: accurate. Checked: 2026-10-15. AI assessment; not a guarantee of accuracy.