May 22, 2026 · The meaning of WHY is for what cause, reason, or purpose. How to use why in a sentence.

WHY definition: 1. for what reason: 2. used to express surprise or anger: 3. the reasons for something: . Learn more.

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.

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 …

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 mi...

4 meanings: 1. a. for what reason, purpose, or cause? b. (used in indirect questions) 2. for or because of which 3. the reason,.... Click for more definitions.

Define why. why synonyms, why pronunciation, why translation, English dictionary definition of why. adv. For what purpose, reason, or cause; with what intention, justification, or motive: Why is the door …

Five whys (or 5 whys) is an iterative interrogative technique used to explore the cause-and-effect relationships underlying a particular problem. [1] The primary goal of the technique is to determine …

why (hwī, wī), adv., conj., n., pl. whys, interj. adv. for what? for what reason, cause, or purpose?: Why did you behave so badly? conj. for what cause or reason: I don't know why he is leaving. for which; …

Jun 28, 2025 · The 5 Whys is a root cause analysis technique used in the Analyze phase of the Six Sigma DMAIC (Define, Measure, Analyze, Improve, Control).