noun
corruption; debasement; degradation
A yojijukugo describing a state of moral decay, corruption, and loss of integrity, often used in political or social contexts.
その政治家は腐敗堕落した生活を送っていた。
The politician led a corrupt and debased life.
組織の腐敗堕落が明るみに出た。
The organization's corruption came to light.
A yojijukugo composed of 腐敗 (decay, corruption) and 堕落 (depravity, degradation). The exact historical derivation is uncertain, but it is conventionally used to express thorough moral decay.