Works better than "dictionary" definitions

english vocabulary words mostly from Latin and Greek sources (prefixes, roots and suffixes).

Lexicon of english words, idioms and phrases

This page is devoted to teaching english and is aimed at Czechs or people interested in the Czech Republic

Most used top 500 english words

Diagnostic vocabulary test which estimates the size of the student's english vocabulary. Followed by interactive exercises.

Hungryforwords.com offers free english learning via eFlashcards in which a user can learn up to 3 words (accompanied with definition, pronunciation, and sample sentence with audio) per day in a number

Business english vocabulary, practice exercises, reference lists.

Fun classroom games, original songs, worksheets, articles and advice.

List of english words with definitions, pronunciation, and example sentences.