Meaning of the word diabolically in English

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

diabolically

US /ˌdaɪ.əˈbɑː.lɪ.kəl.i/
UK /ˌdaɪ.əˈbɒl.ɪ.kəl.i/

Adverb

in a wicked or evil way; extremely badly or cleverly

Example:
The villain smiled diabolically as his plan unfolded.
The puzzle was diabolically difficult, taking hours to solve.
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