Crossword Genius

Former spouse to lie about expulsion (5)

Ross

I believe the answer is:

exile

'expulsion' is the definition.
(thesaurus)

'former spouse to lie about' is the wordplay.
'former spouse' becomes 'ex' (an ex-spouse).
'about' indicates anagramming the letters.
'lie' with letters rearranged gives 'ile'.
'ex'+'ile'='EXILE'

(Other definitions for exile that I've seen before include "Banish from one's country" , "Overseas banishment" , "Ousted person" , "Drive away" , "Send abroad as punishment" .)

I've seen this clue in The Mirror.
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