noun, noun or participle which takes 'suru', intransitive verb
Describes a gradual weakening or fading of power, prosperity, or vitality. Often used for nations, cultures, or institutions.
その帝国は長い時間をかけて衰微していった。
The empire gradually declined over a long period.
文化の衰微を食い止める政策が求められている。
Policies to halt cultural decay are being called for.