diabolic

or di·a·bol·i·cal

[ dahy-uh-bol-ik or dahy-uh-bol-i-kuh l ]
/ ˌdaɪ əˈbɒl ɪk or ˌdaɪ əˈbɒl ɪ kəl /
SEE SYNONYMS FOR diabolic ON THESAURUS.COM

adjective

having the qualities of a devil; devilish; fiendish; outrageously wicked: a diabolic plot.
pertaining to or actuated by a devil.

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Origin of diabolic

1350–1400; Middle English diabolik (< Middle French) < Late Latin diabolicus < Greek diabolikós, equivalent to diábol(os) devil + -ikos -ic

OTHER WORDS FROM diabolic

Words nearby diabolic

diabetogenous, diabetologist, diable, diablerie, diablo, diabolic, diabolical, diabolism, diabolize, diabolo, diacaustic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Words related to diabolic

atrocious, cruel, damnable, demonic, devilish, hellish, impious, infernal, monstrous, nasty, nefarious, satanic, serpentine, shocking, unhallowed, unpleasant, vicious, vile, villainous, wicked

Example sentences from the Web for diabolic

British Dictionary definitions for diabolic

diabolic
/ (ˌdaɪəˈbɒlɪk) /

adjective

of, relating to, or proceeding from the devil; satanic
befitting a devil; extremely cruel or wicked; fiendish
very difficult or unpleasant

Derived forms of diabolic

diabolically, adverbdiabolicalness, noun

Word Origin for diabolic

C14: from Late Latin diabolicus, from Greek diabolikos, from diabolos devil
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