必要なの

needed

→ 必要だ
phrase Common #2,404
needed In questions, の adds an explanatory or conversational tone, often translating as “is it needed?” or “do you need it?”
JA: この書類も必要なの?
EN: Do you need this document too?

これって絶対に必要なの?

Do we really need this?

歌は必要なの?

Do we really need the song?

— es[エス] (2001)

あれは誰が必要なの?

Who needs that?

でも・・・彼には必要なの

But... he needs it.

— 8 1/2 (1963)

それ本当に必要なの?

Do you really need that?

本当にこれって絶対必要なの?

Do we really absolutely need this?

何でこれ全部必要なの?

Why do we need all of this?

だから必要なの

That's why it's necessary.

— 善き人のためのソナタ (2006)

これって全部、本当に必要なの?

Is all of this really necessary?

それって絶対に必要なの?

Do you absolutely need that?

これ全部必要なの?

Do we need all of this?

ペンでしょ、ノートでしょ、他にもいろいろ必要なの。

You need a pen, a notebook, and all sorts of other things.

ー彼女のために必要なのさーじゃあ、明日の夜に

It’s for her. — Then, tomorrow night.

— ダーク・プレイス (2015)

どうしてこれが全部必要なの?

Why do we need all of this?

それって本当に必要なの?

Is that really necessary?