DEMONIAC Synonyms: 49 Similar and Opposite Words

demoniac

adjective

di-ˈmō-nē-ˌak

variants also demoniacal

Definition of demoniac

as in demonic

of, relating to, or worthy of an evil spirit the murderer seemed possessed by a demoniac wish to destroy life

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

Example Sentences

Recent Examples of Synonyms for demoniac

demonic

Adjective

Dorinda’s residence is perhaps the single most iconic location in all of Housewifery because that demonic energy caused friction in every single interaction that took place there.

— Brian Moylan, Vulture, 5 Oct. 2026
The better to act out empire’s idea of what disgusting demonic sickness looks like.

— Literary Hub, Literary Hub, 15 Sep. 2026

Definition of demonic

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Browse Nearby Words

demonetizing

demoniac

demonian

See all Nearby Words

Cite this Entry

Style

“Demoniac.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/demoniac. Accessed 9 Oct. 2026.

Copy Citation

Synonyms of demoniac

adjective

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster

Word of the Day

inscrutable

Popular in Grammar & Usage

Do You Need a New Language Peeve?

The Exceptions of '-s' and '-es' Plurals

Merriam-Webster’s Great Big List of Words You Love to Hate

Is it 'nerve-racking' or 'nerve-wracking'?

What's the difference between 'fascism' and 'socialism'?

Popular in Wordplay

The Real Origin of 'Supercalifragilistic'

9 Words That Sound Like Insults But Aren't

7 Words for Bad Endings and Rough Situations

The Words of the Week - Oct. 9

Even More Bird Names that Sound Like Insults (and Sometimes Are)

Popular

Do You Need a New Language Peeve?

The Real Origin of 'Supercalifragilistic'

9 Words That Sound Like Insults But Aren't

Games & Quizzes