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

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

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

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

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

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

VocabularyMail.com
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.

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

International House of Logorrhea
A online dictionary of obscure and unusual words and obsolete terms to help enhance vocabulary; over 14,000 English words with brief definitions.

Forthright's Phrontistery
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.

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

English Words from Chinese
English words which have come into the language from Chinese.

Vocabulary Activities for Standardized Tests
Interactive activities on word lists based on themes.

Commonly Misspelled Words in English
Select a reference source and click on any word in a list to get a definition, pronunciation or translation of that word to your language. Take a quiz on spelling.

Heenan's Universal Dictionary
A collection of weird and wonderful words and their alternate meanings; sources, too, where available.

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

A Word A Day - Today's Word
Audio clip, definition, and example usage.