Crossword Genius

Boy who’s fast failing to finish (3)


I believe the answer is:


'boy' is the definition.
(boy's name)

'fast failing to finish' is the wordplay.
'fast' becomes 'lent' (Lent is a period of fasting in Christianity).
'failing to finish' means to remove the last letter.
'lent' with its last letter removed is 'LEN''.

'who's' acts as a link.

(Other definitions for len that I've seen before include "Sir - - Hutton" , "Boy" , "-- Deighton, author" , "Leonard (dim.)" , "- - Hutton, cricketer" .)

I've seen this clue in The Times.
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