Diabolical - definition, pronunciation, transcription
Amer.
|ˌdaɪəˈbɑːlɪkl|

Brit.
|daɪəˈbɒlɪk(ə)l|

adjective ↓
- showing the cunning or ingenuity or wickedness typical of a devil (syn: devilish, diabolic, mephistophelean)
the diabolical expression on his face
- extremely evil or cruel; expressive of cruelty or befitting hell (syn: demonic, diabolic, fiendish, hellish, infernal, satanic, unholy)diabolical sorcerers under the influence of devils
Examples
...the police quickly mobilized to track down the diabolical serial killer...
the diabolical expression on his face
diabolical sorcerers under the influence of devils