Priest in trouble remains pure (8)

I believe the answer is:

pristine

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'pure' is the definition.
(I've seen this in another clue)

'priest in trouble' is the wordplay.
'trouble' is an anagram indicator.
'priest'+'in'='priestin'
'priestin' with letters rearranged gives 'PRISTINE'.

'remains' acts as a link.
This may not be correct. It may be part of another bit of the clue.

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(Other definitions for pristine that I've seen before include "ancient" , "Fresh and clean as if new" , "Virgin" , "Immaculate" , "maiden voyage?" .)

I've seen this clue in The Globe and Mail.

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