Man in female costume (4)

I believe the answer is:

alec

'man' is the definition.
(I've seen this before)

'in female costume' is the wordplay.
'in' indicates the answer is hidden within the clue.
'ALEC' is hidden within 'female costume'.

(Other definitions for alec that I've seen before include "Sir -- Guinness, actor" , "Guinness (a smart lad?)" , "Smart man?" , "Sir - Douglas-Home, former PM" , "Smart chap" .)

I've seen this clue in The Telegraph.

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