a. for what reason, purpose, or cause?: why are you here?. b. (used in indirect questions): tell me why you're here.

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?

5 days ago · Adverb why (not comparable) (interrogative) For what cause, reason, or purpose. Introducing a complete question.

Understanding the Context

Lady Constance was in high spirits, and why not? Whether you’re a teacher or a learner, Vocabulary.com can put you or your class on the path to systematic vocabulary improvement.

Definition of why adverb in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.