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demonic

or dae·mon·ic

[dih-mon-ik]
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adjective
  1. inspired as if by a demon, indwelling spirit, or genius.
  2. demoniac(def 1).
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Also de·mon·i·cal.

Origin of demonic

1655–65; < Late Latin daemonicus < Greek daimonikós, equivalent to daimon- demon- + -ikos -ic
Related formsde·mon·i·cal·ly, adverbsu·per·de·mon·ic, adjective

Synonyms

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1. frantic, frenzied, obsessed, possessed.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for demonical

demonic

adjective
  1. of, relating to, or characteristic of a demon; fiendish
  2. inspired or possessed by a demon, or seemingly sodemonic laughter
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Derived Formsdemonically, adverb
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

Word Origin and History for demonical

demonic

adj.

1660s, from Latin daemonicus, from daemon (see demon). Demonical is from late 15c.

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Online Etymology Dictionary, © 2010 Douglas Harper