Right river for country (5)

I believe the answer is:

rural

'for country' is the definition.
(similar in meaning)

'right river' is the wordplay.
'right' becomes 'r' (common abbreviation).
'river' becomes 'ural' (Russian river).
'r'+'ural'='RURAL'

(Other definitions for rural that I've seen before include "Countrylike" , "Pastoral or agricultural" , "outside the city?" , "Of the country - pastoral" , "Countrified" .)

I've seen this clue in The Guardian.

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