A noisy French one can be delightful (3)

I believe the answer is:

fun

'be delightful' is the definition.
(thesaurus)

'a noisy french one' is the wordplay.
'a noisy' becomes 'f' ().
'french one' becomes 'un' ('one' in French).
'f'+'un'='FUN'

'can' acts as a link.

(Other definitions for fun that I've seen before include "Light-hearted pleasure" , "Entertaining" , "Jollification" , "Enjoyment" , "Light-hearted amusement, jollity" .)

I've seen this clue in the Evening Standard.

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