じゃないよね

…right?

→ だ
phrase Uncommon #10,851
…right? A casual way to seek confirmation or agreement. The exact meaning depends on what comes before it.
JA: 今日は休みじゃないよね?
EN: Today is a day off, right?

トムはキッチンじゃないよね?

Tom isn't in the kitchen, right?

君たちさ…家出じゃないよね?

You two… you’re not running away from home, are you?

— 天気の子 (2019)

あなたの名前はトムじゃないよね?

Your name isn't Tom, is it?

そんなに驚くことじゃないよね?

It’s not really that surprising, is it?

まさかチョコレート嫌いじゃないよね。

You don't happen to dislike chocolate, do you?

トムってテニスがそんな上手じゃないよね。

Tom isn't that good at tennis, is he?

私じゃないよね?

It’s not me, right?

— バトル・ロワイアル (2000)

あなた、この辺の人じゃないよね?

You’re not from around here, are you?

トムってさ、もうそれをやるような年齢じゃないよね?

Tom’s not really at the age to be doing that anymore, is he?

大丈夫じゃないよね

You're not okay, are you?

— 人生スイッチ (2014)

本当じゃないよね?

It's not true, is it?

犯人の仲間じゃないよね?

You're not one of the culprit's accomplices, are you?

— バトル・ロワイアル (2000)

それって、フェアじゃないよね?

That's not fair, is it?

まだ車を運転できる歳じゃないよね?

You’re not old enough to drive yet, are you?

でもそれは優しさじゃないよね?

But that's not kindness, is it?

— 万引き家族 (2018)

トムってほんとは恥ずかしがり屋じゃないよね。

Tom isn't really shy, is he?

じゃないよね

That’s not it, right?

— Cosmic Princess Kaguya! (2026)

幽霊じゃないよね

You're not a ghost, are you?

— もののけ姫 (1997)