Dictionaries

• Merriam-Webster OnLine    - A free, searchable on-line dictionary and thesaurus, word games, a word of the day, and many other English language and vocabulary reference tools and resources.
• AskOxford.com - For questions on English grammar, spelling, and usage; to search a dictionary of words, names or quotations; for help with writing; for crosswords and puzzles.
• Bartleby.com - Online publication of The American Heritage Dictionary, Fourth Edition. Featuring 70,000 audio word pronunciations, 900 full-page illustrations and over 10,000 new words and senses.
• beetfoundation.com Dictionary and Thesaurus - General purpose online English language dictionary and Thesaurus.
• Bibliomania: Webster's Unabridged Dictionary of 1913 - Forms version. Allows browsing headwords.
• DataSegment.com: Online Dictionary - Find definitions by alphabetical browsing or word lookup. Powered by several print dictionaries.
• Dictionary21 - Dictionary of user-created entries about what words mean to the authors of the entries.
• Dictionary.com - Online English dictionary, thesaurus and reference guide. Includes word games, online translator, and word of the day feature.
• The English-to-American Dictionary - A humo(u)rous resource for Americans learning British/Scottish English.
• HyperDic - Based on the WordNet lexical database and thesaurus, this dictionary covers only a selection of the most frequent English words. Includes synonyms, antonyms, examples and pronunciation, and links between related words.
• A Internet Dictionary - Online, cross-referenced English dictionary based on multiple databases. Includes help, history and usage.
• Macmillan English Dictionary - Resource site for the new Macmillan English Dictionary.
• The Rap Dictionary - Hip-hop slang and also contains a list of hip-hop artists and their real names.
• Ultralingua Online Dictionary - Searchable dictionary of the English language, with standard, reverse and phonetic lookup. Also links to a range of other language resources.
• The Wordsworth Compendium - Program containing over 516,000 English words and phrases to solve word puzzles. Useful for the search and manipulation of words in all aspects of logological activities.