Diabolic (7)
'diabolic' is the definition.
(I know that diabolic can be written as satanic)
This is all the clue.
(Other definitions for satanic that I've seen before include "wicked" , "Diabolic" , "Diabolical" , "Devilish (as Blake's 18)" , "Supremely evil" .)
'diabolic' is the definition.
(I know that diabolic can be written as devilish)
This is the entire clue.
(Other definitions for devilish that I've seen before include "naughty" , "Mischievous; rakish" , "Very wicked" , "like Screwtape" , "Diabolical" .)
'diabolic' is the definition.
(I know that diabolic can be written as fiendish)
This is all the clue.
(Other definitions for fiendish that I've seen before include "like some Sudokus" , "Diabolic" , "This Sudoku" , "Extremely cruel" , "Very difficult" .)