じょうりゅう 上流 Common word LinksSentence search for 上流Sentence search for じょうりゅうKanji details for 上 and 流Edit in JMdict Noun1. upper stream; upper course; upper reachesNoun which may take the genitive case particle 'no'2. upstreamNoun, Noun which may take the genitive case particle 'no'3. upper classesAntonym: 下流 Discussions Log in to talk about this word.