5000 Collegiate Words. A list of words in alphabetical order with concise definitions.

      Answers.com World Greatest encyclodictionaimanacapedia

      Building a Better Vocabulary. A good article to guide your study of vocabulary.

      Differences between British and American Vocabulary. A list of words to show the spelling differences between American and British English.

      E. L. Easton Vocabulary. Multilingual dictionaries , vocabulary quizzes by E. L. Easton Online.

      English Vocabulary. Learn the pronunciation and spelling of thousands of words using an image based interface.

      Everyday Vocabulary Anagrams. Anagram quizzes by Charles I. Kelly & Lawrence E. Kelly.

      GRE Vocabulary. A free site aimed to improve your vocabulary specifically for the verbal section of GRE.

      Irregular Verbs Flashcards. With five levels and each level contains twenty irregular verbs.

      Learning Vocabulary. Word search , hangman , quiz , and match games.

      OZspeller. A Free Australian Online Spelling Tutor & Game with powerful features. Words are spoken by your computer , and a large number of lists for each grade.

      SAT Preparation. A vocabulary oriented site that would help you prepare for the vocabulary section of the new SAT exam.

      SuperKids Vocabulary Builder. Word of the day, hangman, hidden word puzzles, and word scrambler.

      The Academic Word List. 570 most frequent words in the Academic Corpus.

      TOEFL Vocabulary Exercises. Over a thousand real multiple-choice questions to prepare you for TOEFL test.

      TOEFL Vocabulary. Five hundred difficult words that have commonly occurred in TOEFL test.

      Vocabulary for English Language Learners. Vocabulary activities for all levels.

      Vocabulary for High Intermediate Learners. Lists of the words for students who want to increase their vocabulary to the size of 4,000 - 7,000.

      Vocabulary Improvement Program. Learn English words by studying the roots, prefixes, and suffixes.

      Vocabulary Level Test. Take a test to find out your vocabulary size.

      Vocabulary Test. Free vocabulary test for TOEFL, GMT , SAT , GRE and more.

      Vocabulary Training. Test your vocabulary on different subjects.

      Vocabulary University. Learn English vocabulary in context (grades 5-12) with free word puzzles.

      Vocabulary Word Lists with Games, Puzzles and Quizzes.

      Vocabulix. Here you can improve your vocabulary in various foreign languages , online and free!