Inoffensive, pinkish girl? (7)

I believe the answer is:

mildred

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'girl?' is the definition.

'inoffensive pinkish' is the wordplay.
'inoffensive' becomes 'mild' (I've seen this in another clue).
'pinkish' becomes 'red' (I can't explain this - if you can you should believe this answer much more).
'mild'+'red'='MILDRED'

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(Other definitions for mildred that I've seen before include "lady?" , "Girl" , "Woman" .)

I've seen this clue in the Evening Standard.

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