This area is for students or parents, especially those that are willing to put forth the effort to learn more, and be a better student, to achieve more ;-)
To help my students I normally assign them 5 new words a day. Whether they open a physical dictionary or go to the links below, the important thing is that they learn and use new words.
dictionary.com - a handy resource with access to multiple dictionaries in one place, especially if you don't have one in the home.
worddynamo.com - great website that will send you (after you sign up for free) an email of a quickie multiple...