Comparatively obscure UEFA intermediary rounds (7)

I believe the answer is:

fainter

'comparatively obscure' is the definition.
(more faint or obscure)

'uefa intermediary rounds' is the wordplay.
'rounds' indicates the answer is hidden within the clue (the clue goes round the answer).
'FAINTER' is hidden in the letters of 'uefa intermediary'.

I've seen this clue in The Times.

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