Skilled at limiting vice (5)

I believe the answer is:

adept

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'skilled' is the definition.
(similar in meaning)

'at limiting vice' is the wordplay.
'limiting' means one lot of letters goes inside another.
'vice' becomes 'dep' (I am not sure about this - if you are sure you should believe this answer much more).
'at' placed around 'dep' is 'ADEPT'.

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(Other definitions for adept that I've seen before include "Completely skilled" , "One highly skilled could be taped" , "Highly proficient" , "Proficient - expert" , "Very skilled person" .)

I've seen this clue in the Sydney Morning Herald.

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