The meaning of WHY is for what cause, reason, or purpose. How to use why in a sentence.

You use why in questions when you ask about the reasons for something. Why hasn't he brought the bill? Why didn't he stop me? Why can't I remember the exact year we married?

When we ask for reasons in speaking, we can use the phrase why is that? In informal conversations we often say why’s that?: …

a. for what reason, purpose, or cause?: why are you here?. b. (used in indirect questions): tell me why you're here.

“If everyone’s making an inventory, why are we the ones getting a gift?” my dad asks.

"Why" by Avril Lavigne, a B-side of the single "Complicated", 2002 "Why", by Ayaka from the single "Clap & Love"/"Why" and the theme song of the PSP game Crisis Core: Final Fantasy VII, 2007

Mar 18, 2026 · Adverb why (not comparable) (interrogative) For what cause, reason, or purpose. Introducing a complete question.

Why definition: For what purpose, reason, or cause; with what intention, justification, or motive.

why, adv., int., & n. meanings, etymology, pronunciation and more in the Oxford English Dictionary

Why is an interrogative adverb that can be used alone and shows emotions like surprise or anger. For example: I went to Siberia.