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.
Ultralingua Online Dictionary Searchable dictionary of the English language, with standard, reverse and phonetic lookup. Also links to a range of other language resources.
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.
The Beet Foundation General purpose online English language dictionary and Thesaurus.
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.
Dictionary.com Online English dictionary, thesaurus and reference guide. Includes word games, online translator, and word of the day feature.
AnsMe.com Dictionary Finds definitions, similar-sounding words, relations, words that rhyme, and translations.
SmartDictionary.com Supports both searching and browsing and encourages user contributions.
Freesearch Dictionary A British English dictionary powered by the Cambridge University Press that contains around 150,000 words. The site offers a search feature or can be browsed by letter.
Dictionary.net Comprehensive dictionary database of word and phrase definitions from 8 different sources.
An Internet Dictionary. Online dictionary lets you search for definitions, cross-references English dictionaries based on multiple databases. Cross-references English dictionaries based on multiple databases. Downloadable software gives the ability to integrate the dictionary with your browser.
Vdictionary.com Searchable English language dictionary shows results in synonym sets.
The Jargon Database A repository of popular neologisms, management speak, and technical terms relevant to various regions, jobs, and cultures, and organized by categories.
Collins Word Exchange Dictionary searches a variety of word and phrase resources, including the Collins English Dictionary, texting abbreviations, internet links, and words submitted by users.
Elizabethan Dictionary Provides the origins and meanings of Elizabethan words and vocabulary including obscure Shakespearean expressions.
Suggestive Dictionary An english dictionary which suggests words as you type. Helps explore new words and meanings.
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.
Wiktionary English language Wiki dictionary from the Wikimedia Foundation.
