Conservative greeting opponent, a red from Italy (7)
I believe the answer is:
chianti
'a red from italy' is the definition.
I can't judge whether this defines the answer.
'conservative greeting opponent' is the wordplay.
'conservative' becomes 'C' (UK political abbreviation).
'greeting' becomes 'hi' (hi is a kind of greeting).
'opponent' becomes 'anti' (someone opposed to something).
'c'+'hi'+'anti'='CHIANTI'
Can you help me to learn more?
(Other definitions for chianti that I've seen before include "Italian wine - mountain range" , "Wine produced in Tuscany" , "Tuscan red wine" , "Chain it to popular Italian wine" , "Popular dry red wine of Tuscany" .)