Diabolical may refer to:
*
Evil
Evil, in a general sense, is defined as the opposite or absence of good. It can be an extremely broad concept, although in everyday usage it is often more narrowly used to talk about profound wickedness and against common good. It is general ...
, the profound immorality, especially when regarded as a supernatural force, for example in religious belief
* The
Devil
A devil is the personification of evil as it is conceived in various cultures and religious traditions. It is seen as the objectification of a hostile and destructive force. Jeffrey Burton Russell states that the different conceptions of t ...
, believed in many religions, myths and cultures to be a supernatural entity that is the personification of evil and the enemy of God and humankind
*
''Diabolical'' (album), a 1998 studio album by the Swedish melodic black metal band Naglfar
* ''Diabolical'', a 2001 studio album by the American rapper
Mr. Lucci
* ''
The Diabolical'', a 2015 American science fiction horror film
* ''
The Boys Presents: Diabolical'', a 2022 American adult animated superhero anthology spin-off of the television series ''
The Boys''
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