whyever

adverb3

1. •
   Why ever: an emphatic form of why.

   • Whyever would someone do that?
2. •
   For whatever reason.

   • You can use it whenever you want and whyever you want.
3. •
   Regardless of the reason (why).

   • I don't care what you want. Whyever you're here, please go away.