noun
Refers to cultural or moral decline, often associated with late 19th-century European art and literature. In Japanese, it carries a similar aesthetic and critical sense.
from French décadence
彼の作品にはデカダンスの影響が色濃く出ている。
His work is strongly influenced by decadence.
退廃 is the native Japanese term for decadence or degeneration, often used in moral or social contexts. デカダンス is a loanword that specifically evokes the artistic and literary movement.
Borrowed from French 'décadence', meaning decline or decay, especially in a cultural or artistic sense.