Secret love affair (8)

I think it could be either:

Which length description are you looking for?:

intrigue

'secret love affair' is the definition.
(I've seen this before)

This is all the clue.

(Other definitions for intrigue that I've seen before include "Secret love affair" , "Carry On" , "liaison" , "Love-affair" , "Mysterious quality" .)

I've seen this clue in The Telegraph.

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