ichidan verb, intransitive verb
fall into decline; come down in the world; be ruined
Describes a person or family losing wealth, status, or prosperity and ending up in a miserable state. Often implies a dramatic fall from a previously good position.
彼はギャンブルで落ちぶれてしまった。
He fell into ruin because of gambling.
あの名家も今ではすっかり落ちぶれた。
That once distinguished family has now completely come down in the world.