green river green revolution • green rot · · · Info · Definitions · Characters · · green river · · Text Common · · Latin · · Scripts 11 · · Length 3 · · Syllables Definitions · · · (noun) a river that rises in western Wyoming and flows southward through Utah to become a tributary of the Colorado River. Synonyms: Green, Green River. · · Noun Definition 1 Characters · · space U+0020 e latin small letter e U+0065 g latin small letter g U+0067 i latin small letter i U+0069 n latin small letter n U+006E r latin small letter r U+0072 v latin small letter v U+0076