Why Does Vitamin D Cause Bloating In Some New Users

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? The meaning of WHY is for what cause, reason, or purpose. How to use why in a sentence. Feb 10, 2026 · Adverb why (not comparable) (interrogative) For what cause, reason, or purpose. Introducing a complete question. Why definition: For what purpose, reason, or cause; with what intention, justification, or motive. a. for what reason, purpose, or cause?: why are you here?. b. (used in indirect questions): tell me why you're here.