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
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.
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"?
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
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.
Originally based on the WordNet database, the Memidex online dictionary/thesaurus features more words, more extensive cross-referencing, hierarchical links, complete inflections, frequent updates, and a simple interface.
The complete Merriam-Webster Collegiate Dictionary and Thesaurus online -- free and searchable with definitions and audio pronunications. You can also read the Word of the Day, play Word Games, and purchase books and CDs.