WordUniverse
WordUniverse is a free vocabulary reference covering 241 carefully chosen English words. Every entry gives the dictionary definition, the word's etymology, synonyms and antonyms, rhymes, real example sentences, and a longer essay on what makes the word worth knowing. Browse by category, test yourself in the word quiz, or open a random word and see where it takes you. Whether you are writing, studying for a test, or just love language, there is something here to sharpen your vocabulary.