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diabolic

[dahy-uh-bol-ik] /ˌdaɪ əˈbɒl ɪk/
adjective
1.
having the qualities of a devil; devilish; fiendish; outrageously wicked:
a diabolic plot.
2.
pertaining to or actuated by a devil.
Also, diabolical.
Origin
1350-1400
1350-1400; Middle English diabolik (< Middle French) < Late Latin diabolicus < Greek diabolikós, equivalent to diábol(os) devil + -ikos -ic
Related forms
diabolically, adverb
diabolicalness, noun
hyperdiabolical, adjective
hyperdiabolically, adverb
hyperdiabolicalness, noun
nondiabolic, adjective
nondiabolical, adjective
nondiabolically, adverb
nondiabolicalness, noun
superdiabolical, adjective
superdiabolically, adverb
superdiabolicalness, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for diabolicalnesses'

diabolic

/ˌdaɪəˈbɒlɪk/
adjective
1.
of, relating to, or proceeding from the devil; satanic
2.
befitting a devil; extremely cruel or wicked; fiendish
3.
very difficult or unpleasant
Derived Forms
diabolically, adverb
diabolicalness, noun
Word Origin
C14: from Late Latin diabolicus, from Greek diabolikos, from diabolosdevil
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
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Word Origin and History for diabolicalnesses'

diabolic

adj.

late 14c., from Old French diabolique (13c.), from Late Latin diabolicus, from Ecclesiastical Greek diabolikos "devilish," from diabolos (see devil (n.)).

Online Etymology Dictionary, © 2010 Douglas Harper
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