Crossword Genius

Habit of minister when talking something over (7)

Ross

I believe the answer is:

surplus

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'over' is the definition.
(thesaurus)

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(Other definitions for surplus that I've seen before include "(An) oversupply" , "a bit over the top" , "Redundant" , "Remainder" , "superfluity" .)

I've seen this clue in The Times.
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