why

IPA(Pronunciation)

/ʍaɪ/

Adverb

relative interrogative not-comparable

Introducing a complete question. / Introducing a verb phrase (bare infinitive clause). / Introducing a noun or other phrase. / (relative) For which cause, reason, or purpose.

Japanese Meaning

完全な疑問文を導入する疑問詞としての用法（「なぜ」「どうして」） / 原形不定詞節を導入する際の用法 / 名詞やその他の句を導入する際の用法 / （関係副詞として）原因、理由、目的を示す用法

What is this buttons?

why did the museum close so suddenly?

Google Translation / DeepL Translation

なぜその博物館はそんなに突然閉館したのですか？

Details

Sense（1）

Introducing a complete question.

Why is the sky blue?

Google Translation / DeepL Translation

Details

Sense（2）

Introducing a verb phrase (bare infinitive clause).

Why spend money on something you already get for free?

Google Translation / DeepL Translation

Details

Sense（3）

Introducing a noun or other phrase.

Why him? Why not someone taller?

Google Translation / DeepL Translation

Details

Sense（4）

(relative) For which cause, reason, or purpose.

That's the reason why I did that.

Google Translation / DeepL Translation

Details

Sense（5）

(fused relative) The cause, reason, or purpose for which.

That is why the sky is blue.

Google Translation / DeepL Translation

Details

why

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