SUN RIVER(noun) Did you mean: Rhymes Also try: sunriversDefinitions There is 1 meaning of the phrase Sun River. Sun River - as a noun A river in western montana that flows south and east to join the missouri river Word Variations & RelationsAnagrams of SUNRIVERStarts S Starts SU Starts SUN Starts SUNR Ends R Ends ER Ends VER Ends IVER Starts S & ends R Starts SU & ends R Starts S & ends ER Words containing SUNRIVER A-Z Proximitiessumpweed 16sumpweeds 17sums 6sumy 9sun 3 Sun River sun-drenchedsun-driedsun-lovingsun-raysun-worship