Part of affair is questionably indecent (6)

I believe the answer is:

risque

'indecent' is the definition.
(thesaurus)

'part of affair is questionably' is the wordplay.
'part of' indicates the answer is hidden within the clue.
'RISQUE' can be found hidden inside 'affair is questionably'.

(Other definitions for risque that I've seen before include "Bordering on the improper" , "Of a story, slightly indecent" , "Quires (anag.)" , "Slightly indecent or racy" , "Naughty, saucy" .)

I've seen this clue in The Telegraph.

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