She may be back (3)

I believe the answer is:

eve

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'she' is the definition.

'may be back' is the wordplay.
'may' becomes 'ev' (I am not sure about this - if you are sure you should believe this answer much more).
'back' suggests the final letters (the letter at the back).
The final letter of 'be' is 'e'.
'ev'+'e'='EVE'

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(Other definitions for eve that I've seen before include "Threshold" , "Night before an event" , "Woman in a happy place" , "Female" , "Day before Christmas" .)

I've seen this clue in the Evening Standard.

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