May 22, 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?: …

Feb 9, 2025 · "Why?" A question as old as humanity, and as relevant today as ever. Explore the history, meaning, and necessity of the question that drives discovery from toddlers to theoretical physicists.

3 days ago · Keith Phipps, Vulture, 6 Oct. 2025 See All Example Sentences for why. Recent Examples of Synonyms for why. There is no good reason for what just happened over the past six days.

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?: …

WHY definition: for what? for what reason, cause, or purpose?. See examples of why used in a sentence.

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