衰すい世せい

noun

decadent world; age of decline

Literary or classical term referring to a world or era in moral and social decay. Not used in casual conversation.

• 彼かれの作さく品ひんは衰すい世せいの世せ相そうを鋭するどく描えがいている。

  His works sharply depict the state of society in a decadent age.