Diabolic
Diabolic , adjective
[Latin diabolicus, Greek diaboliko`s devilish, slanderous: compare French diabolique. See Devil.]
1.
Pertaining to the devil; resembling, or appropriate, or appropriate to, the devil; befitting hell or satan; devilish; infernal; impious; as, a diabolic or diabolical temper or act; the diabolical expression on his face; fires lit up a diabolic scene.
Diabolic power.
The diabolical institution.
2.
showing a wicked cunning or ingenuity; as, the cold calculation and diabolic art of some statesmen.
3.
extremely evil or cruel; atrocious; outrageously wicked; as, diabolical sorcerers under the influence of devils; diabolical torturers taking pleasure in their craft.
Also: Diabolical