demoniac
[dih-moh-nee-ak, dee-muh-nahy-ak]
adjective Also de·mo·ni·a·cal [dee-muh-nahy-uh-kuhl] /ˌdi məˈnaɪ ə kəl/.
of, relating to, or like a demon; demonic: demoniac laughter.
possessed by or as by an evil spirit; raging; frantic.
noun
a person seemingly possessed by a demon or evil spirit.
RELATED WORDS
unrelenting, barbarous, murderous, ruthless, atrocious, inhuman, brutal, bloody, fierce, violent, cold-blooded, sadistic, ferocious, destructive, relentless, merciless, harsh, inhumane, savage, crazy
Nearby words
- demon-,
- demoness,
- demonetarize,
- demonetization,
- demonetize,
- demonian,
- demonic,
- demonism,
- demonize,
- demono-
Origin of demoniac
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for demoniac
demoniac
adjective also: demoniacal (ˌdiːməˈnaɪəkəl)
noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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demoniac
c.1400, "possessed, insane," earlier (late 14c.) as a noun, "one who is possessed," from Late Latin daemoniacus (c.200), from Greek daimoniakos "possessed by a demon," from diamon (see demon).
Online Etymology Dictionary, © 2010 Douglas Harper