Crossword Genius

Finished receiving commercial success (3,2)

Ross

I believe the answer is:

had it

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'finished' is the definition.
I don't know anything about this answer so I can't judge whether it can be defined by this definition.

'receiving commercial success' is the wordplay.
'receiving' means one lot of letters goes inside another.
'commercial' becomes 'ad' (abbreviation for advertisement).
'success' becomes 'hit' (hit is a kind of success).
'ad' inserted within 'hit' is 'HAD IT'.

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I've seen this clue in The Guardian.
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