Words similar to why

Example sentences for: why

How can you use “why” in a sentence? Here are some example sentences to help you improve your vocabulary:

With their backgrounds--Griffin is deputy editor of Premiere and Masters, a contributing editor for Time and Vanity Fair --the authors should have been able to tell us a little more about why Hollywood movies are so bad.
I'm still interested in hearing your thoughts about the question you posed a few messages back: Why Harry, why now?
It's not hard to see why they use it.
Why is it that we still do not have a protective vaccine against HIV 22 years after its initial identification?
"Why beat on a closed door?"