After game, gunners left country (5)
I believe the answer is:
rural
'country' is the definition.
(I know that country can be written as rural)
'after game gunners left' is the wordplay.
'after' means one lot of letters go next to another.
'game' becomes 'ru' (rugby union).
'gunners' becomes 'RA' (Royal Artillery).
'left' becomes 'l' (common abbreviation).
'ru' next to 'ra' is 'rura'.
'rura'+'l'='RURAL'
(Other definitions for rural that I've seen before include "Of the country - pastoral" , "Cobbett saw on his rides?" , "Rustic" , "Connected with farming" , "covering the country" .)