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Synonyms

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.

Regardless, standout performances such as Daniel Camargo’s compelling prince, Léa Fleytoux’s fabulously arrow-sharp Firebird and Patrick Frenette’s demonic sorcerer held the stage with impressive individuality.

From The Wall Street Journal • Mar. 18, 2026

They worked it downfield, through the puddles, through and around the demonic Italian players, over halfway and into the enemy 22.

From BBC • Feb. 7, 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

Instead, it’s rooted in the visual and emotional language of horror films, especially the more reactionary tales of demonic possession, such as “The Exorcist” and “The Conjuring.”

From Salon • Oct. 27, 2025

The reason was that they could not stop staring—with a curious mixture of fascination, fear, and uneasiness—at Mr. Curtain in his green-plaid suit, silvery glasses, and demonic wheelchair.

From "The Mysterious Benedict Society" by Trenton Lee Stewart