Can she go out married in this? (9)

I believe the answer is:

cheongsam

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'this?' is the definition.
The definition suggests a singular noun which matches the answer.

'can she go out married' is the wordplay.
'out' is an anagram indicator (out can mean wrong or inaccurate).
'married' becomes 'm' (abbreviation, e.g. in genealogy).
'can'+'she'+'go'='canshego'
'canshego' is an anagram of 'cheongsa'.
'cheongsa'+'m'='CHEONGSAM'

'in' is the link.

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(Other definitions for cheongsam that I've seen before include "traditional Chinese dress" , "One-piece Chinese dress" , "oriental dress?" , "Straight close-fitting dress worn by Chinese women" , "Chinese habit" .)

I've seen this clue in The Guardian.

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