Crossword Genius

One's spurned Union: red voice taken out (8)

Ross

I believe the answer is:

divorcee

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'one's spurned union' is the definition.
I can't tell whether this defines the answer.

'red voice taken out' is the wordplay.
'taken out' indicates an anagram.
'red'+'voice'='redvoice'
'redvoice' anagrammed gives 'DIVORCEE'.

Can you help me to learn more?

(Other definitions for divorcee that I've seen before include "List of faults" , "One's broken up" , "Legally separated person" , "person no longer in union" , "One from split marriage" .)

I've seen this clue in The Sun.
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