Crossword Genius

Pro or con (4)

Ross

I believe the answer is:

side

I believe this is a double definition.

'pro' is the first definition.
(thesaurus)

'con' is the second definition.
(thesaurus)

(Other definitions for side that I've seen before include "Particular aspect" , "Face - team" , "Not the main" , "Lateral team" , "perspective" .)

I've seen this clue in the LA Times and The New York Times.
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