Crossword Genius

Mature female let down (6)

Ross

I believe the answer is:

flower

'mature' is the definition.
(thesaurus)

'female let down' is the wordplay.
'female' becomes 'f' (common abbreviation).
'let down' becomes 'lower' (synonyms).
'f'+'lower'='FLOWER'

(Other definitions for flower that I've seen before include "One found in bed perhaps" , "prime of life" , "rose, perhaps" , "Garden plant" , "River" .)

I've seen this clue in The Telegraph.
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