急減 きゅうげん Meanings Noun, する verb, Transitive, Intransitive rapid decrease; sharp reduction; sudden drop; recession Antonym: 急増 (きゅうぞう). Kanji 急 sudden. Read as キュウ. 減 decrease. Read as ゲン. Words containing 急減 急減速 (きゅうげんそく) sudden declaration Jinuma: Japanese Dictionary · Word lists