Jun 13, 2026 · The meaning of WHY is for what cause, reason, or purpose. How to use why in a sentence.

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

Definition of WHY in the Definitions.net dictionary. Meaning of WHY. What does WHY mean? Information and translations of WHY in the most comprehensive dictionary definitions resource on …

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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?

/waɪ/ IPA guide Other forms: whys Definitions of why noun the cause or intention underlying an action or situation, especially in the phrase `the whys and wherefores' synonyms: wherefore

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

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

an introductory expression of surprise, disagreement, indignation, etc: why, don't be silly! Etymology: Old English hwī; related to Old Norse hvī, Gothic hveileiks what kind of, Latin quī