Crossword Genius

Teenager upset with the French perfume (10)

Ross

I believe the answer is:

adolescent

'teenager' is the definition.
(synonyms)

'upset with the french perfume' is the wordplay.
'upset' becomes 'ado' (both can mean controversy).
'with' is a charade indicator (letters next to each other).
'the french' becomes 'le' ('the' in French).
'perfume' becomes 'scent' (synonyms).
'ado'+'le'+'scent'='ADOLESCENT'

(Other definitions for adolescent that I've seen before include "sixth-former, say" , "Developing" , "Person in child-adult transition" , "One growing" , "Immature" .)

I've seen this clue in The Telegraph.
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