戻らなきゃ

have to return, must go back

→ 戻る
戻ら return, go back + なきゃ Necessitative (must)
verb · necessitative Rare #31,336
have to return, must go back Informal contraction of 戻らなければならない.
JA: もう遅いから、家に戻らなきゃ。
EN: It's already late, so I have to go back home.
Conjugation of 戻る
Necessitative
戻らなきゃ

ロシア戻らなきゃ父親約束したクソ会社を手伝うって

I have to go back to Russia—I promised my father I'd help with his shitty company.

— ANORA アノーラ (2024)

私はホテルに戻らなきゃならん

I gotta get back to the hotel.

— ライフ・イズ・ビューティフル (1997)

早く会社へ戻らなきゃ

I have to get back to the office soon.

— サイコ (1960)

戻らなきゃ

I have to go back.

— タイタニック (1997)

仕事に戻らなきゃ

I have to get back to work.

もう戻らなきゃ

I have to go back now.

— ハウルの動く城 (2004)