noun, noun or participle which takes 'suru', intransitive verb
depravity; corruption; degradation
Refers to moral decline, falling into a corrupt or degenerate state. Often used for personal character, societal decay, or spiritual downfall. Can be used as a noun or with する to mean 'to become depraved' or 'to degenerate'.
彼は酒とギャンブルで堕落した生活を送っている。
He leads a depraved life of drinking and gambling.
権力の乱用は政治の堕落を招く。
Abuse of power leads to political corruption.