VocabAhead - Vocabulary Videos

Good option to learn difficult words. This website has hundreds of words with a video description. You choose a word to watch its meaning. You will listen to the definition and a sentence as an example. But these words are not very common words. They are used in some exams like SAT (Scholastic Assessment Test), ACT (American College Testing) and, GRE (Graduate Record Examination) by many American universities as college entrance exams. Go ahead! Link

Howjsay - English Pronunciation

An easy-to-use dictionary of english pronunciation on the internet. Outstanding for those who need to improve their pronunciation skills. You can search for words or sentences. Then it will appear in pink. Now what you need to do is to mouse over it to hear the pronunciation as many times as you want. Simple but effective for learners who are not sure about how to say a word. By the way, the site Howjsay refers to how the question `How do you say?´ is pronounced by native speakers of english. Enjoy it! Link

Wordwebs - Phrasal Verbs

If you want to be fluent and sound natural in English you will need to get used to Phrasal Verbs. This tool is based on the Cambridge International Corpus. You can build phrasal verbs and see their meanings. It uses real life examples and like other things from Cambridge, you can trust it (Real English Guarantee) . Excellent for expanding your vocabulary. Try out! Link