Crossword Genius

Silly (7)

Ross

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

This is all the clue.

(Other definitions for puerile that I've seen before include "Childish, immature" , "Infantile" , "Babyish" , "Childish, silly, trivial" , "Childishly silly" .)

I've seen this clue in The Telegraph, The Times, The Sun, The Independent and the Evening Standard.
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