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  1. WHY Definition & Meaning - Merriam-Webster

    Dec 4, 2016 · The meaning of WHY is for what cause, reason, or purpose. How to use why in a sentence.

  2. WHY | English meaning - Cambridge Dictionary

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

  3. WHY definition and meaning | Collins English Dictionary

    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?

  4. Why - definition of why by The Free Dictionary

    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 shut?

  5. why - WordReference.com Dictionary of English

    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

  6. Why - Definition, Meaning & Synonyms | Vocabulary.com

    /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

  7. Why: Definition, Meaning, and Examples - usdictionary.com

    Feb 9, 2025 · Why (conjunction): The cause or reason that explains something. The word "why" serves as a fundamental tool in language for seeking explanations, expressing surprise, or delving into the …

  8. Why Definition & Meaning | YourDictionary

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

  9. why - Wiktionary, the free dictionary

    Dec 7, 2025 · why (third-person singular simple present whys or whies, present participle whying, simple past and past participle whyed or whied) (intransitive, transitive) To ask (someone) the question "why?".

  10. WHY | meaning - Cambridge Learner's Dictionary

    WHY definition: 1. used to ask or talk about the reasons for something: 2. used to make a suggestion: 3. used to…. Learn more.