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demonic

American  
[dih-mon-ik] / dɪˈmɒn ɪk /
Also demonical or daemonic

adjective

  1. inspired as if by a demon, indwelling spirit, or genius.

    Synonyms:
    possessed, obsessed, frenzied, frantic
  2. demoniac.


demonic British  
/ dɪˈmɒnɪk /

adjective

  1. of, relating to, or characteristic of a demon; fiendish

  2. inspired or possessed by a demon, or seemingly so

    demonic laughter

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • demonically adverb
  • superdemonic adjective

Etymology

Origin of demonic

1655–65; < Late Latin daemonicus < Greek daimonikós, equivalent to daimon- demon- + -ikos -ic

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Online sleuthing leads Evy and Justin to a demonic creature that causes miscarriages and stillbirths: Abyzou, the bitter spirit of an infertile woman who visits chaos upon other pregnancies.

From The Wall Street Journal • Mar. 12, 2026

Olivier’s demonic anger at the world came through clearly, whereas Mr. Elordi’s Heathcliff seems as though he’d be content to simply peel away Catherine from Edgar.

From The Wall Street Journal • Feb. 11, 2026

Andy and Barbara Muschietti, co-creators of HBO’s prequel drama about Stephen King’s demonic clown, flavor the scarefest with themes of fascism, bigotry and the loss of innocence.

From Los Angeles Times • Dec. 17, 2025

Amid all of this, Scotland put in some almighty defensive sets, repelling the All Blacks with a demonic intent.

From BBC • Nov. 8, 2025

And he goes on to report a test where the unguent was applied by a sceptical clergyman, so that there could be no suspicion of either cheating or demonic involvement.

From "The Invention of Science" by David Wootton