もう帰った

already went home

→ もう
phrase Rare #28,072
already went home 帰った can mean “went home” or “returned,” depending on context. In a question, this can mean “Have [they] already gone home?”
JA: 父はもう帰ったよ。
EN: Dad already went home.

他のみんなはもう帰ったぞ

Everyone else has already gone home.

— ブエノスアイレス (1997)

もう帰ったはずなのに、もう嫌だ。

I should have gone home already, but I can’t take it anymore.

もう、何でもう帰ったの。

Why did you go home already?

もう帰った?

Are you home already?

— ワンス・アポン・ア・タイム・イン・ハリウッド (2019)

トムはもう帰ったけど、メアリーはまだここにいる。

Tom has already gone home, but Mary is still here.

もう帰ったからもう安心だ。

They’ve already gone home, so I can relax now.

ルミちゃんはもう帰ったよ

Rumi has already gone home.

— PERFECT BLUE (1998)