急流 きゅうりゅう Meanings Noun, の-adjective swift current; rapids Kanji 急 sudden. Read as キュウ. 流 flow. Read as リュウ. Example sentences ボートは急流に巻き込まれた。The boat was sucked in. Words containing 急流 急流下り (きゅうりゅうくだり) river rafting Jinuma: Japanese Dictionary · Word lists