Crossword Genius

I con cute vain mum, unusually reserved (15)

Ross

I believe the answer is:

uncommunicative

'reserved' is the definition.
(thesaurus)

'i con cute vain mum unusually' is the wordplay.
'unusually' indicates an anagram.
'i'+'con'+'cute'+'vain'+'mum'='iconcutevainmum'
'iconcutevainmum' with letters rearranged gives 'UNCOMMUNICATIVE'.

(Another definition for uncommunicative that I've seen is " Unwilling to talk".)

I've seen this clue in The Daily Express.
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