Audio clip, definition, and example usage.

Dave's Choice Words are fun, free vocabulary building exercises.

English words which have come into the language from Chinese.

Another advanced English-vocabulary program for long-distance learners of all ages, everywhere.

Expand your vocabulary with this free service teaches new words and restores the ones that slipped away.

Obscure words in a quiz format that includes .wav files of pronunciations.

Interactive activities on word lists based on themes.

A free daily email broadcast of one to three words, their definitions, and explanations and examples of how to use them effectively in your speech and writing.

Web-based vocabulary trainer with a multilanguage interface. Features shortcuts for special characters used in ~100 languages.

A new short three question multiple choice quiz every day to test your vocabulary knowledge.

A collection of 2000 words which are often omitted from dictionaries, and are in danger of being eliminated from the English language.

A collection of weird and wonderful words and their alternate meanings; sources, too, where available.

A online dictionary of obscure and unusual words and obsolete terms to help enhance vocabulary; over 15,500 English words with brief definitions.

A compiled list of the most commonly misspelled words. Also includes a quiz.

Word lists by medical speciality including Alternative Medicine, Cardiovascular, Dermatology/Skin, and other areas of care.

A site for lovers of obscure and unusual words, featuring a dictionary of rare words, word lists of vocabulary on specific topics, essays and discussions on etymology, vocabulary and language usage.

An electronic vocabulary enhancement system that runs as a screen saver on your PC computer.