Meaning of the word diabolical in English

What does diabolical mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

diabolical

US /ˌdaɪ.əˈbɑː.lɪ.kəl/
UK /ˌdaɪ.əˈbɒl.ɪ.kəl/
"diabolical" picture

Adjective

1.

characteristic of the Devil, or so evil as to be suggestive of the Devil

Example:
The villain hatched a diabolical plot to take over the city.
He had a diabolical grin on his face.
2.

disgracefully bad or unpleasant

Example:
The traffic this morning was absolutely diabolical.
The service at that restaurant was diabolical.