Langimage
English

demoniac

|de-mo-ni-ac|

C2

🇺🇸

/dɪˈmoʊniæk/

🇬🇧

/dɪˈməʊniæk/

possessed by a demon; demon-like frenzy

Etymology
Etymology Information

'demoniac' originates from Late Latin 'demoniacus', from Greek 'daimon-' / 'daimonios' meaning 'of a spirit or demon'.

Historical Evolution

'demoniac' developed from Greek 'daimon' (δαίμων) → Late Latin 'demoniacus' → Middle English 'demoniak' / 'demoniac', eventually becoming the modern English word 'demoniac'.

Meaning Changes

Initially, it meant 'pertaining to a demon' or 'possessed by a demon'; over time it also acquired figurative senses of 'frenzied' or 'extremely wicked' used in modern English.

Meanings by Part of Speech

Noun 1

a person believed to be possessed by a demon or to behave in a demoniac (frenzied or wicked) way.

In the old stories the villagers called him a demoniac after the terrible events.

Synonyms

Antonyms

Adjective 1

possessed by or as if by a demon; affected by demonic influence.

The priest examined the boy, convinced he was demoniac and in need of an exorcism.

Synonyms

Antonyms

Adjective 2

frenzied, wildly violent or uncontrollable; resembling the rage or intensity of a demon.

His demoniac laughter made everyone in the room uneasy.

Synonyms

Antonyms

Last updated: 2025/10/24 11:12