adverb / noun

why

WHY/waɪ/

For what reason something happens or is done.

The child asks why the plate broke, pointing to the fallen ball.

A child points from a shattered plate to a fallen ball and looks to an adult for the reason it happened.
Etymology

Old English hwi was an instrumental case form of hwæt, “what.” It asked “by what means?” or “for what purpose?”, connecting why directly with questions about the reason or purpose behind something.

In context

Nicos Marcou1:41
Why are we not questioning this?
Work Has Changed. Why Haven’t Resumes? | Nicos Marcou | TED
David Birch1:56
So why is that a good example?
David Birch: A new way to stop identity theft

More examples

  • Tell me why you left.
  • She explained the why behind her decision.
  • I wonder why the train stopped.

Forms

why · whys