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Word of the Day Tuesday, June 9, 2026

diabolical

/dɪˈɒbɪlɪkəl/ adjective · British & US
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What does diabolical mean?

adjective

Having a wicked or evil nature; delighting in or characterized by evil or wrongdoing. Often used to describe a cleverly or cunningly evil plan or action.

Example

"The villain's diabolical plan to steal the treasure was foiled by the hero's quick thinking."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for diabolical

Antonyms of diabolical

Rhymes with diabolical

Etymologically related