There are a lot of great vocabulary tools on the web. The tools below are free, easy to use, and they do what they say they will do:

Acronym Finder– Find out what any acronym, abbreviation, or initialism stands for.

Bubbabrain– AP/IB, SAT interactive vocabulary practice.

Dictionary.com– The world’s most popular dictionary and thesaurus with definitions, synonyms, antonyms, idioms, word origins, quotes, audio pronunciations, and example sentences.

Dictionary.net– The Dictionary Built For & Edited By You.

Flashcard Stash– Flashcard Stash allows you to create and customize your own digital flashcards. You can create flashcards with anything. Such as dates for History class, vocabulary for French class, or words for the SAT.

The Free Dictionary– Dictionary with word games and activities.

Google Translator– Online translator.

Lexipedia– A multi-lingual visual dictionary that creates a word web and defines words based on parts of speech.

A Maths Dictionary for Kids– Interactive, animated maths dictionary for kids with over 600 common math terms explained in simple language.

Merriam-Webster– Free online dictionary, thesaurus, spanish-english and medical dictionaries, audio pronunciations, Word of the Day, word games, and many more high-quality resources.

Quizlet– Make you own online study sets/flashcards.

Snappy Words– An online interactive English dictionary and thesaurus that helps you find the meanings of words and draw connections to associated words.

Urban Dictionary– A veritable cornucopia of streetwise lingo, posted and defined by its readers. Use your override to access.

The Visual Dictionary– The Visual Dictionary is a collection of words in the real world. Photographs of signage, graffiti, advertising, tattoos, you name it, we’re trying to catalogue it.

Visuwords– Look up words to find their meanings and associations with other words and concepts. Produce diagrams reminiscent of a neural net.

VocabGrabber– VocabGrabber analyzes any text you’re interested in, generating lists of the most useful vocabulary words and showing you how those words are used in context. Just copy text from a document and paste it into the box, and then click on the “Grab Vocabulary!” button.

Word Central– Vocabulary games.

WordInfo– An English vocabulary dictionary with free searches of words from Latin and Greek sources.

Wordnik– Definitions, example sentences and pronunciations for millions of English-language words, and user-contributed comments and word lists.

WordSift– WordSift helps anyone easily sift through texts — just cut and paste any text into WordSift and you can engage in a verbal quick-capture! The program helps to quickly identify important words that appear in the text.

WordSpy– The word-lover’s guide to new words.

Mobile Apps

Winning Words Apps– Winning Words takes the familiar game of memory match, and adds a fun twist. Instead of matching two pictures, you have to match two synonyms, antonyms or other word combinations! Play against your friends, to see who has the best memory!

Help Build the Toolbox

If you know of other great vocabulary web tools, please share them in the comments below.

Image credit: http://www.flickr.com/photos/timrich26/3418049291/

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