Crossword Genius

Childish or unassertive male (informal) (7)

Ross

I believe the answer is:

milksop

(Other definitions for milksop that I've seen before include "He shrinks from" , "soft fellow" , "Unmanly fellow" , "Cissy, fond of a pinta?" , "Namby-pamby" .)

I've seen this clue in The Guardian.
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