ESL Web Directory

Online synonyms thesaurus reference resource that also provides images for search terms.

Abbreviations.com is the world's largest and most comprehensive directory and search engine for acronyms, abbreviations and initialisms on the Internet.

Slang, profanities, insults and vulgarisms from all the world- The Alternative Dictionaries are a collection of various forms of "bad language" from many languages.

A free online pronouncing dictionary with Instant Sound. American and British spellings, with British English pronunciations. Sounds are fast, clear and completely natural, pre-recorded by native speakers. Corpus includes the General Service List of commonly used English words

Online Dictionary, Encyclopedia and much more

Dictionary, Thesaurus, and more- with BlueRider you can listen to how the word you are researching is spoken.

Differences between British, Canadian and American Spelling

Differences between British, Canadian & American vocabulary

Search Cambridge University Press dictionaries online

Collins Corpus based dictionaries, concordancers and more. The WordbanksOnline English corpus is composed of 56 million words of contemporary written and spoken text.

Cooldictionary.com is unique: it helps you not only find words in the Webster dictionary, but also gives you the examples of how they are used in classical books. It is fully crosslinked, so that you can follow it from one word to another. The sound icon lets you hear the pronunciation of individual words or even the entire classical literature quotes.

Smoothing transatlantic communication

An online dictionary website in Beijing China. Database includes more than 300 dictionaries published and authorised by the Mifflin company, considered one of the most important online dictionaries in China.

Free online English dictionary, thesaurus and reference guide, crossword puzzles and other word games, online translator and Word of the Day.

Double-Tongued Word Wrester Dictionary: a growing dictionary of old and new words from the fringes of English.

Access and Search dozens of online dictionaries. Find words, phrases rhymes, and concepts. Scan millions of entries.

English, Medical, Legal, and Computer Dictionaries, Thesaurus, Encyclopedia, a Literature Reference Library, and a Search Engine all in one.

The freesearch online British English dictionary contains around 150,000 terms with examples and related words.

Want to know the meaning of "efficacy" at the same instant you're reading it on a Web page or in a Microsoft Office application? Houghton Mifflin eReference will find the answer after you've simply highlighted the word and clicked on the "A-Z" icon. Want to get the definition of a word but you're not sure of the spelling? Start typing your best guess and Houghton Mifflin eReference will generate a list of possible matches. How about then getting a synonym or antonym of "efficacy"?

JustTheWord can justify your choice of words or suggest improvements - and JustTheWord knows about the common errors made by speakers of your mother tongue.

Learning the thousands of words needed to be comfortable in a language is a great challenge. The vocabulary guides are in essence virtual worlds. Users visit different parts of this world (i.e. insects, the family, the farm). They can then place their cursor over any of the images and hear their names pronounced and see them spelled out. In some pages, a notepad is displayed next to the title. Placing the cursor over this notepad will reveal a list of supplementary vocabulary

A free virtual library resource center for educators and students, librarians and their patrons, families, businesses and just about anyone exploring the Web for valuable research information.

LITTLE EXPLORERS makes surfing the Internet very easy. A picture-dictionary format is used to link to hundreds of carefully-chosen child-friendly sites around the world. Since the pictures are links, even pre-readers can surf with a minimum of help and guidance from their favorite adult. Older kids can use Little Explorers as a school reference.

Longman Dictionary of Contemporary English Online, the quickest and easiest way to look up any word while you are working on the web.