To decline morally or become vulgar; to stoop or sink to a lower moral/quality level.
あの映画は次第に下品になり、最後は完全に堕ちてしまったと批判された。
That film was criticized for becoming increasingly crude and finally completely falling into vulgarity.
彼のジョークは回を追うごとに下ネタに走り、雰囲気が堕ちた。
His jokes got cruder over time and the atmosphere sank into tastelessness.
純粋だった友情がお金絡みの問題で堕ちてしまった。
A once-pure friendship sank because of money-related issues.
To be ruined or perish; to fall (e.g., into hell); used in stronger, often literary or religious contexts.
堕ちる者は自らを制御できず、やがて全てを失った。
Those who fall lose self-control and eventually lose everything.
古代の王国は腐敗のために堕ちたという記録が残っている。
Records remain that the ancient kingdom fell because of corruption.
彼は誘惑に負け、地獄に堕ちると警告された。
He succumbed to temptation and was warned that he would fall into hell.