成り下がる

なりさがる

to be degraded; to come down in the world; to lose status; to be ruined

Also written なり下がる、成り下る、なり下る、成りさがる、成下がる、成下る

Meanings

Godan verb (-ru), Intransitive
to be degraded; to come down in the world; to lose status; to be ruined; to fall low

あの男おとこも人ひとから金かねをもらう所ところまで成なり下さがった。

That man was reduced to begging for money.
三流さんりゅうのクラブで歌うたうとは彼女かのじょも成なり下さがったものだ。

She has fallen so low as to sing at a third-rate night club.
私わたしは彼かれの振ふる舞まいがそんな不愉快ふゆかいなレベルにまで成なり下さがっているとは思おもわなかった。

I didn't expect his behavior to descend to such a disagreeable level.