English Dictionary

why

/ʍaɪ/

adv

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

Why did you choose that movie?

意味（1）

Introducing a complete question.

Why is the sky blue?

意味（2）

Introducing a verb phrase (bare infinitive clause).

Why spend money on something you already get for free?

意味（3）

Introducing a noun or other phrase.

Why him? Why not someone taller?

意味（4）

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

That's the reason why I did that.

意味（5）

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

That is why the sky is blue.