• 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.
• OneLook Dictionaries   - Look up a word or term in an Internet dictionary or glossary. Free search access to a frequently updated database of words, terms, names, and acronyms.
• 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.
• 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.
• The Beet Foundation - General purpose online English language dictionary and Thesaurus.
• Cambridge International Dictionaries - Free online dictionary from Cambridge University Press.
• 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.
• A Concise Dictionary of Middle English - From A.D. 1150 to 1580. By A.L. Mayhew and Walter W. Skeat. In plain text, or as a zip file, from Project Gutenberg.
• Cooldictionary.com - Free edition of a complete Webster dictionary. Fully crosslinked.
• DataSegment.com: Online Dictionary - Find definitions by alphabetical browsing or word lookup. Powered by several print dictionaries.
• DICT Development Group - A WWW interface to several freely available on-line dictionaries, including Webster's 1913, the Jargon File, the US Gazetteer, and Easton's Bible Dictionary.
• Dictionary of Difficult Words - Search or browse this dictionary of more than 13,000 words.
• Dictionary of Indian English - Regionalisms defined.
• Dictionary.net - A dictionary database of word and phrase definitions from eight different sources.
• Die.net Online Dictionary - Cross-referenced definitions, spelling correction, and searches from WordNet, Webster's, and a variety of specialized sources. Supports regular expressions and the DICT protocol.
• Elizabethan Dictionary - Provides the origins and meanings of Elizabethan words and vocabulary including obscure Shakespearean expressions.
• eLook Dictionary - Provides definitions, synonyms, and related words.
• English-dictionary.us - Fast no-frills English dictionary.
• 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.
• HyperDictionary.com - Includes a thesaurus and searchable dictionaries for English, computers, dreams and medicine.
• Hypertext Webster Gateway - WWW interface to multiple English dictionaries.
• Information Please Dictionary - Infoplease's free online dictionary. Features almanacs, an encyclopedia, and an atlas.
• The Jargon Database - A repository of popular neologisms, management speak, and technical terms relevant to various regions, jobs, and cultures, and organized by categories.
• Longman Dictionary Of Contemporary English - Searchable dictionary of contemporary English.
• Macmillan English Dictionaries - Resource site for the Macmillan range of dictionaries.
• The Newbury House Online Dictionary - Search over 40,000 entries to get clear concise definitions and when available related pictures.
• 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.
• Plan of an English Dictionary (1747) - Letter written by Samuel Johnson to the Earl of Chesterfield setting out his plan for an English Dictionary.
• Suggestive Dictionary - An English dictionary which suggests words as one types. Helps explore new words and meanings.
• Ultralingua - Searchable dictionary of the English language, with standard, reverse and phonetic lookup. Also links to a range of other language resources.
• Virtual Dictionary - Searchable English language dictionary shows results in synonym sets.
• Voycabulary - Online dictionary and thesaurus web linking lookup reference tool.
• Webster's Unabridged Dictionary of 1913 - Forms version. Allows browsing headwords.
• Wiktionary - English language Wiki dictionary from the Wikimedia Foundation.
• 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.
• Word Sytes - Use this online dictionary to search for definitions in WordNet, Webster's and many other databases.
• WordIQ Dictionary - Searchable definitions available in a variety of dictionaries including Webster's, a legal dictionary, a dream dictionary, and an encyclopedia.
• 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.
• WordWeb - A free English thesaurus and dictionary for Windows.

English Dictionary List 1
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