To delete a page in Microsoft Word, you'll need to delete all of the text on the page. If you have a page with no text that won't go away, make sure there aren't any invisible formatting marks on it.
To delete one word (instead of one character) at once on a Mac, hit "Option" and "Delete" at the same time with the cursor at the end of the word. How to Delete 1 Word at Once in Windows To delete one ...