Challenge your vocabulary!!
“Vocabulary.com is the easiest, most intelligent way to improve your vocabulary. It combines an adaptive learning system (The Challenge) with the world’s fastest dictionary (The Dictionary) so that you can more quickly and more efficiently learn words.” These are their words and, believe me, it is true. If you are one of those who moans about how little vocabulary you know, or if you are a words freek, or just a regular student, this website will probably be of help.