AlphaDictionary.com [ http://www.alphadictionary.com ]
Browse online English dictionary, dictionaries and grammars for 350 languages, crossword puzzles, word games, language jokes, and a daily Good Word by linguist Robert Beard (Dr. Goodword).

YourDictionary [ http://www.yourdictionary.com/ ]
Online dictionary that offers definition search from Webster's dictionary for word meanings and thesaurus. Use this dictionary search as a crossword or scrabble dictionary. Also find legal dictionary, technical words, glossary, foreign language translation, medical dictionary, and rhyming dictionary lists.