Crossword Genius

Fine performance in division (7)

Ross

I believe the answer is:

faction

'division' is the definition.
(thesaurus)

'fine performance' is the wordplay.
'fine' becomes 'f' (abbreviation in pencil classifications).
'performance' becomes 'action' (I've seen this in another clue).
'f'+'action'='FACTION'

'in' acts as a link.

(Other definitions for faction that I've seen before include "Cabal" , "Minority who dissents from main group" , "Small trouble-making group within a group" , "part of party" , "Act on if for a small group within a larger one" .)

I've seen this clue in The Telegraph and The Sun.
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