Greek character against wine (7)
I believe the answer is:
chianti
'wine' is the definition.
(Chianti is an example)
'greek character against' is the wordplay.
'greek character' becomes 'chi' (letter from the Greek alphabet).
'against' becomes 'anti' (I've seen this before).
'chi'+'anti'='CHIANTI'
(Other definitions for chianti that I've seen before include "Popular dry red wine of Tuscany" , "Chain it to popular Italian wine" , "I can hit for popular Italian wine" , "Italian wine variety" , "Dry red Italian wine" .)