AllDictionaries.com - Categorized index of language and subject dictionaries.
AllWords.com - Features two modern English dictionaries, multilingual search, and translation. Also features a guide to language sites on the web and a language discussion forum.
The Century Dictionary Online - Free 500,000 word dictionary of English with an encyclopedia and world atlas. Uses DjVu and JPEG formats to display page images. Has headword lookup and full text search of 22 million words of underlying text.
Cooldictionary.com - Free edition of a complete Webster dictionary. Fully crosslinked.
Dictionary Society of North America - An international organization of librarians, booksellers, translators, linguists, publishers, writers, journalists, and collectors. Founded in 1975 to further research in dictionary making, study, collection, and use. Member of the American Council of Learned Societies.
Dictionary.com - Free online dictionary search, translator, word of the day, crossword puzzles and word games, and vocabulary learning resources for many languages.
Dictsearch - Search a variety of dictionaries including monolingual, bilingual, and specialty dictionaries.
eLook Dictionary - Provides definitions, synonyms, and related words.
Eurodicautom - The European Commission's multilingual term bank. Particularly rich in technical and specialized terminology related to European Union policy.
Free Dictionary and Free Translation - Collection of free dictionaries and translation sites. Supports searching all dictionaries with just one mouse click.
Glossaries - Collection of more than 2400 links to glossaries and dictionaries.
Glossaries by Language - Directory of multilingual dictionaries and dictionaries on specific subjects, alphabetized by language.
The Glossarist - Searchable directory of glossaries and topical dictionaries containing terms and definitions on hundreds of subjects.
HyperDictionary.com - Includes a thesaurus and searchable dictionaries for English, computers, dreams and medicine.
Information Please Dictionary - Infoplease's free online dictionary. Features almanacs, an encyclopedia, and an atlas.
KnowPlay? - Simple and integrated access to dictionaries, thesauri, encylopedias, and quotation databases.
Lexicool - Searchable directory of bilingual and multilingual dictionaries.
Oxford Advanced Learner's Dictionary - Allows users to search, free of charge, for entries in the latest (year 2000) edition of the Oxford Advanced Learner's Dictionary.
Planet Translation - Directory of dictionaries, including unilingual, multilingual, and topical resources.
Quotations: The Yale Dictionary - Project to create an searchable online database and a quotation dictionary from Yale University Press.
Research-It - Includes several dictionaries and a thesaurus as well as online tools for shipping and mailing, currency exchange, and language translation.
Skeptic's Dictionary - Skeptical definitions and essays on occult, paranormal, supernatural and pseudoscientific ideas and practices with references to the best skeptical literature.
The Superhero Dictionary - Each entry compares a superhero's name with its real life meaning and includes comparison pictures and pronunciations.
Voycabulary - Online dictionary and thesaurus web linking lookup reference tool.
Web Dictionaries - Multi-search tool by Tinh Van, which consults English-only dictionaries, and Vietnamese into English or French translation dictionaries.
Webster's Online Dictionary: The Rosetta Edition - This database doubled with a metasearch tool extracts records from a variety of online and public-domain paper dictionaries, both general and specialized. It offers English definitions, as well as translations from/to a hundred languages.
Word Assault - Looks up multiple words simultaneously using several databases including Webster's, Easton's, Wordnet, and the Devil's Dictionary.
Word Central - Student dictionary and rhyming dictionary online at Merriam-Webster's website. Daily Buzzword by subscription.
Word Spy - Site dedicated to recently coined words and existing words revived into modern usage.
Worthless Word for the Day - Obscure, abstruse and/or recondite word, especially one not falling into medical terms, foreign monetary units, foreign units of measure, legal terms, or professional jargon of any type.
yourDictionary.com - Comprehensive index of on-line dictionaries in more than 200 different languages. Includes an index of on-line grammars, word of the day by email, and several pages of linguistic fun.
