Crossword Genius

Exclude its coarse form (9)

Ross

I believe the answer is:

ostracise

'exclude' is the definition.
(I know that ostracise is a type of exclude)

'its coarse form' is the wordplay.
'form' indicates an anagram.
'its'+'coarse'='itscoarse'
'itscoarse' with letters rearranged gives 'OSTRACISE'.

(Other definitions for ostracise that I've seen before include "Cast out, blackball" , "exile" , "Blackball, send to Coventry" , "Banish, blackball" , "Banish from group" .)

I've seen this clue in The Mirror.
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