Diabolic Definition
dīəbälik
adjective
Of the Devil or devils.
Webster's New World
Very wicked or cruel.
Webster's New World
Extremely or ingeniously difficult, vexatious, etc.; fiendish.
Webster's New World
Showing wickedness typical of a devil.
Diabolic magic square.
A cunning and diabolic plot.
Wiktionary
Synonyms:
Origin of Diabolic
First attested between 1350 and 1400 from Middle English diabolik, from Middle French diabolique, from Late Latin diabolicus, from Ancient Greek διαβολικός (diavolikós, “devilish”), from διάβολος (diabolos, “devil”).
From Wiktionary
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