To try it out, go to their website and check all the words you know from a word list on the page. It has a total of 2 pages with words – the 1st page consists of commonly used words, while the 2nd page contains more complex and rarely used words. After you are done checking familiar words, click to see an estimated size of your vocabulary.

Since this vocabulary test is taken by lots of other people, you can see the average vocabulary sizes sorted by age groups and compare your results accordingly.

Features:

• Estimates the size of your vocabulary based on the words you know from their word lists.
• Takes 5-10 minutes to take.
• See vocabulary sizes sorted by age groups.
• Free, no registration.

Check out TestYourVocab @ www.testyourvocab.com

You need to register with them in order to get the emails, and you can also customize the delivery frequency and other such things in your account. The service is free with ads. You could get rid of the ads by paying just $2 per year.

From the email, readers are sent to an evaluation page where they are evaluated based on certain parameters. The service is more of a foreign language vocabulary training that’s useful for people learning a new language.

Features

• Get vocabulary lessons delivered to your inbox.
• Registration needed. Set delivery preferences in your account.
• Similar: Netspeak, Voxy, MyInterCambio, PhraseUp, Phrays, Exemplar, Artwiculate, VocabSushi and WordSpy.
• Also read: 30+ Online Resources to Expand your English Vocabulary.

Check out Mailer Vocabulary @ www.driller-vocabulary.com/mailer/en/about.php (By Abhijeet from GT Cool Stuff)

Netspeak has four main functions. First, you can find the most appropriate word suggestions in a phrase by putting a “?” in place of a word on your query. You can also type in “*” in place of a word to find the most appropriate one, two, or three-word suggestions. Another expression that you can use is the square brackets “[, ]”  for checking which of two or more words are commonly used. Finally, you can type the tilde sign “~” to find the best synonyms that are commonly written. Keep in mind that you may also combine different symbols within a query when using Netspeak.

Features:

• Online dictionary for searching for common language usage.
• Finds the most appropriate single or variable number of word suggestions.
• Finds the most common option among words.
• Suggests the best order of words.
• Finds the most commonly used synonyms.
• Displays frequency on how often the words are used relative to the other results.
• Displays examples on some of the search results.
• Similar Tools: Voxy, MyInterCambio, PhraseUp, Phrays, Exemplar, Artwiculate, VocabSushi and WordSpy.

• Also read: 30+ Online Resources to Expand your English Vocabulary.

Check out NetSpeak @ www.netspeak.org/#page=home

PhraseUp will then show you a number of words that completes your sentence. You can click on any of those words to see a definition and even examples of how the word could be used in a sentence. It works for idioms and proverbs, as well as for regular every day sentences. It can also work as an adjective finder by presenting words that describe your noun. The tool has a dead simple interface with a great functionality.

Features:

• Find words to complete your phrases and sentences.
• Displays multiple options along with definitions and examples.
• No registration required.
• Similar tools: Phrays, Exemplar, Artwiculate, VocabSushi and WordSpy.

Visit PhraseUp @ www.phraseup.com

After the game, you can review the words you have missed and see their definitions. You can also continuously track your progress and see how many words you are getting right against how many you are skipping. Share your game results on Facebook and compete with your friends to make it more challenging and fun.

Features:

• Build your vocabulary by playing games.
• Multiple game modes and levels available.
• Review words you have missed.
• Track your progress and share with friends.
• Compete with your friends for more fun.
• Similar tools: Knoword, Wordstash, MyIntercambio, Howjsay, VocabSushi, and Memorista.

Visit VocabGenii @ www.vocabgenii.com

Knoword is a fun vocabulary game. You need to guess words while their first letter and definition is provided to you. A timer counts down to zero as you play. Guessing a right word increases the time count and gives you more time to play. Each correctly guessed word scores points and each wrong word takes away points. You can skip words if you do not know them.

At the end of each game you can view your scores and check out how well you did. By creating an account on the site you can save your scores and track your progress. Later you can show off your good scores to your friends.

Features:

• A fun vocabulary games.
• Lets you test your vocabulary in a fun way.
• Lets you create an account and save your scores.
• An enjoyable way to improve your vocabulary.
• Similar tools: Wordstash, MyIntercambio, Howjsay, VocabSushi, and Memorista.

Check out Knoword @ www.knoword.org (By Umar from TechCityInc)

Once you have signed up and logged in, just key in a word to know its definition, hear an audio pronunciation, and toggle synonyms. You can also get tweets for the word you entered or see an example of how it is used in a sentence from an online article.

In the right sidebar you can find the most popular word lists which include the 100 most common SAT words, World Capitals, Vocabulary From Jeopardy, and more. All this is easily laid out for you to help you absorb the words quicker.

Word Stash is a nifty tool for students who do not only need to look up a word, but also need to set up a word list that they can focus on.

Features:

• Learn and increase your vocabulary vocabulary the fun way.
• Change the interface themes.
• Add words in the list manager.
• Browse through popular word lists.
• View recently stashed words.
• Similar Tools: MyIntercambio, Howjsay, VocabSushi, and Memorista.

Check out Wordstash @ www.wordstash.com

Phrays is a free to use website that lets you  learn a new word everyday. Account holders can create sentences using that word. Your created sentence should try to fully illustrate the word’s meaning. Visitors can vote on the sentence they like best; the sentence with the most words is awarded as the winner and is displayed on the site’s homepage.

The winning sentences are archived and made viewable to visitors. Sentences displayed on the site can be viewed randomly or sorted by the votes they received or the time they were submitted. You can create an account on the site by linking your Twitter account to Phrays. Sentences by your Twitter friends can also be seen.

Features:

• Learn a new word daily.
• Viewing new words each day and looking up their meaning will improve your vocabulary.
• Visitors can use their creativity in English language to compose brilliant sentences using the day’s word.
• A voting system promotes the best sentences.
• Sentences from your Twitter friends can be seen.
• If you find a funny / interesting sentence, you can Tweet about it directly from the Phrays website.
• Provides great fun for English language enthusiasts.
• Similar tools: Exemplar, Artwiculate, VocabSushi and WordSpy

Check out Phrays @ www.phrays.com (by MOin from ThumbPress)

Exemplar is a neat little tool that does exactly that. Just enter any word and Exemplar will fetch examples from peer-reviewed published literature so you can see the words in context. You can click on any of the results to view the complete article. Exemplar also provides stats about the usage of the term including the popular fields and top countries where the word has been used.

Features:

• See how words are used in context.
• Examples from published literature.
• Click on any result to see full text.
• See statistics on usage of the word.
• Filter results by field or journal.
• No registration required.

Visit Exemplar @ SpringerExemplar.com/index.aspx

You can also check out the French, Italian or Spanish version of the dictionary. For English, you have American, British and International dictionaries to find words. You can also find anagrams, solve crossword puzzles, play multi-player scrabble games and do much more using this site.

The site may not have a great user interface but it gets the job done. And while it can help you win a scrabble game, it is meant to be used as a vocabulary builder and not cheat against others in the game. Use it to learn new words and play better scrabble.

Features

• Online Scrabble dictionary and Literati, Jamble and WordOx wordfinder.
• Find words according to the points they’ll fetch you in the game.
• Dictionary available in different languages.
• Also find word anagrams, solve crossword puzzles and play scrabble on the site.

Check out a2z WordFinder@www.a2zwordfinder.com/scrabble_dictionary.html (By Abhijeet from Jeet Blog)