ichidan verb, intransitive verb
decline morally; become vulgar; stoop low
Describes a person's character, morals, or conversation sinking to a lower level. Often used with ～に堕ちる or ～まで堕ちる to indicate the extent of decline.
See also: 落ちる
彼は金に困って、つい悪事に手を染めるまで堕ちてしまった。
Strapped for money, he sank so low as to get involved in crime.
The conversation gradually descended into vulgarity.
ichidan verb, intransitive verb
be ruined; go under; fall into hell
Used for complete ruin, often with a strong moral or religious connotation, such as falling into hell or utter destruction. Can be literal or figurative.
See also: 落ちる
悪事を重ねた者は地獄に堕ちると言われる。
It is said that those who commit evil deeds will fall into hell.
賭け事にのめり込んで、彼は身を持ち崩し、どん底まで堕ちた。
Addicted to gambling, he ruined himself and hit rock bottom.