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diabolical

[ dahy-uh-bol-i-kuhl ]
/ ˌdaɪ əˈbɒl ɪ kəl /
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See synonyms for: diabolical / diabolically on Thesaurus.com

Definition of diabolical

adjective
having the qualities of a devil; devilish; fiendish; outrageously wicked: a diabolical plot.
pertaining to or actuated by a devil.
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Also di·a·bol·i·c [dahy-uh-bol-ik] /ˌdaɪ əˈbɒl ɪk/ .

Origin of diabolical

First recorded in 1500–10; from Late Latin diabolicus (see diabolic) + -al1

OTHER WORDS FROM diabolical

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use diabolical in a sentence

British Dictionary definitions for diabolical

diabolical
/ (ˌdaɪəˈbɒlɪkəl) /

adjective informal
excruciatingly bad; outrageous
(intensifier)a diabolical liberty

Derived forms of diabolical

diabolically, adverbdiabolicalness, noun
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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