Looked again at study needing to get tidied up (11)

I believe the answer is:

readdressed

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'looked again' is the definition.
The definition suggests a past participle verb which matches the answer.

'study needing to get tidied up' is the wordplay.
'study' becomes 'read' (synonyms).
'needing to get' is a charade indicator (letters next to each other).
'tidied up' becomes 'dressed' (I am not sure about this - if you are sure you should believe this answer much more).
'read'+'dressed'='READDRESSED'

'at' is the link.

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I've seen this clue in The Times.

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