In English, "diabolical" has many nuances of meaning. It can describe the devil himself (as in "my diabolical visitor") or anything related to or characteristic of him in appearance, behavior, or …

Diabolical definition: having the qualities of a devil; devilish; fiendish; outrageously wicked.. See examples of DIABOLICAL used in a sentence.

Morally wrong and evil diabolically (Definition of diabolical from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

Of, concerning, or characteristic of the devil; satanic. 2. Appropriate to a devil, especially in degree of wickedness or cruelty....

If you describe something as diabolical, you are emphasizing that it is very bad, extreme, or unpleasant.

Definition of diabolical adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Factsheet What does the word diabolical mean? There are six meanings listed in OED's entry for the word diabolical. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

Jul 14, 2025 · Diabolical (adjective) comes from the Late Latin word diabolicus, meaning “devilish” or “of the devil.” It is typically used to describe something wicked, evil, cruel, or villainous to an …

Diabolical generally refers to something that is extremely wicked, cruel or evil, similar to characteristics associated with the devil. It can also imply cunning or cleverness, especially in …

The term has been used to describe evil or wicked actions or intentions, often associated with the devil or supernatural forces. Over time, 'diabolical' has become a common adjective to convey …