盛衰 せいすい Meanings Noun rise and fall; ups and downs; welfare; vicissitudes Kanji 盛 heap up. Read as セイ. 衰 decline. Read as スイ. Words containing 盛衰 栄枯盛衰 (えいこせいすい) ups and downs of life 興亡盛衰 (こうぼうせいすい) rise and fall 消長盛衰 (しょうちょうせいすい) prosperity and decay And 1 more. Jinuma: Japanese Dictionary · Word lists