The meaning of why is for what cause, reason, or purpose. For what purpose, reason, or cause; 5 days agowhy (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?".
Why as an interrogative adverb asks questions about the reason for something, gives suggestions, or expresses annoyance.