Learning a language requires determination and lots of practice. Games and flashcards are a great way to learn and practice vocabulary. WordStash is half dictionary and half flashcard, providing a fun way to learn vocabulary. Teachers can create a free account and make flashcards for students or use the flashcards already available.
Popling is a free site which also helps on learning new vocabulary. There are two ways to use Popling - as an Add-on for your browser (Firefox) or as an App.
Genii is another way to practice and learn vocabulary. As with other tools, you just need to sign up and log in.
Which of these vocabulary sites will you be trying out? Which have you found the most helpful in your learning?