閉じこもって

shut oneself away, stay cooped up

→ 閉じ籠もる
verb Rare #41,931
shut oneself away, stay cooped up Often suggests staying inside and avoiding contact with others.
JA: 今日は家に閉じこもって本を読んだ。
EN: I stayed cooped up at home and read a book today.
Conjugation of 閉じ籠もる
Indicative past
閉じこもって

飲酒運転の事故とかそれ以来屋敷に閉じこもっている

Ever since the drunk-driving accident and all that, he’s been holed up in the mansion.

— ブレット・トレイン (2022)

閉じこもってばかりじゃダメだって

You can't keep shutting yourself away like this.

— ブエノスアイレス (1997)

彼女は書斎に閉じこもって思い切り泣いたのである。

She shut herself away in the study and cried her heart out.