Dictionary.com

If you have time to kill and want to beef up your vocabulary then leafing through dictionary is by far the best alternative.

However, if you are simply trying to find a specific word meaning then there is a more convenient and time efficient way– Dictionary.com. It is a subsidiary of Ask.com and is undoubtedly one the best on-line dictionaries available. So much so that it will hardly be an exaggeration to describe this site as The Wikipedia of Words. Its vast database of words, free-for-all policy and user friendly interface makes you feel like having the entire English vocabulary at your fingertips!

By the way, who said you can’t kill time or have fun with Dictionary.com? If you are truly enthusiastic about words you will surely enjoy the various word-games on offer.