Crossword Genius

Pure evil's monstrous, monstrous (9)

Ross

I believe the answer is:

repulsive

'monstrous' is the definition.
(repulsive can mean monstrous or horrible)

'pure evil's monstrous' is the wordplay.
'monstrous' indicates anagramming the letters.
'pure'+'evils'='pureevils'
'pureevils' anagrammed gives 'REPULSIVE'.

(Other definitions for repulsive that I've seen before include "Obnoxious" , "Offensive" , "ugly" , "Abhorrent" , "Disgusting" .)

I've seen this clue in The Telegraph.
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