Crossword Genius

Partner after divorce papers, say? (7)

Ross

I believe the answer is:

express

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'say?' is the definition.
(to express something is to say it)

'partner after divorce papers' is the wordplay.
'partner' becomes 'e'.
'after divorce' becomes 'x' (I can't justify this - if you can you should give a lot more credence to this answer).
'papers' becomes 'press' (the newspaper industry).
'e'+'x'+'press'='EXPRESS'

Can you help me to learn more?

(Other definitions for express that I've seen before include "Verbalise - very fast" , "Verbalise - train" , "Articulate, give voice to" , "Fast train; specific" , "Swift" .)

I've seen this clue in The Independent.
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