a. for what reason, purpose, or cause?: why are you here?. b. (used in indirect questions): tell me why you're here. Why Is the Sky Blue? The Short Answer: Sunlight reaches Earth's atmosphere and is scattered in all directions by all the gases and particles in the air. Blue light is scattered more than the other colors because it travels as shorter, smaller waves. This is why we see a blue sky most of the time. The meaning of WHY is for what cause, reason, or purpose. How to use why in a sentence. 3.5Nature of meaning in life. Why is it is commonly used to ask questions about a specific situation or action, while why it is is used to provide an explanation or reason for something. /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 Why is the US attacking Iran? The United States and Israel began strikes on Iran early on Feb. 28, in a campaign that killed the nation's supreme leader, Ayatollah Ali Khamenei, and dozens of. This disambiguation page lists articles associated with the title Why. If an internal link incorrectly led you here, you may wish to change the link to point directly to the intended article. I know why he did it. It's easy to see why she fell in love with him. He's a very good player. That's why he made the team. WHY definition: 1. for what reason: 2. used to express surprise or anger: 3. the reasons for something. Learn more.