Pure cheats, perhaps! (6)

I believe the answer is:

chaste

'pure' is the definition.
(chaste means abstaining from sex)

'cheats perhaps' is the wordplay.
'perhaps' indicates an anagram.
'cheats' with letters rearranged gives 'CHASTE'.

(Other definitions for chaste that I've seen before include "pure and simple" , "Restrained, modest" , "Maiden" , "He-cats could be virtuous, strangely" , "Pure and decent" .)

I've seen this clue in the Evening Standard.

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