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?: …

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?

Jul 19, 2025 · Delve into the comprehensive guide for "why" in The Academic Glossary. This entry covers its deep etymology, various definitions, real-world usage examples in literature, media, and …

Sep 22, 2016 · This is an edited version (just over seven minutes) of Simon's Ted Talk from Puget Sound in 2009. The original full version (18 minutes long) has almost 7 million views on You Tube. In …

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

The five whys were initially developed to understand why new product features or manufacturing techniques were needed, and was not developed for root cause analysis.

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