Wiktionary

Based on the same concept as the "Wikipedia" encyclopedia, "Wiktionary" is a free collaborative and multilingual dictionary that everyone can work to improve. The user interface really looks like wikipedia, so students already familiar with the encyclopedia should have no problem using the dictionary. At the time of publishing this blog entry, the dictionary already included 314 049 articles describing English language words as well as words from 648 other languages such as German, French, Chinese, Hebrew, Italian, Japanese, Dutch, Polish and Russian.

Words can be entered in the search bar and the Wikitionary will immediately send you the appropriate page in the dictionary. If you are not certain how to write a certain word, it is also possible to enter it with spelling mistakes and the wiktionary will suggest words that are closest matches It is also possible to search word using the following categories: nouns, adjectives, verbs, adverbs, prepositions, pronouns, determiners, interjections, etc.

The dictionary also includes lexicons by themes on subject such as animals, computer science, health, cooking, fruits, etc. It is a multilingual dictionary so it may be useful to teach English as well as other foreign languages. Despite the fact that the community is trying to make it as complete as possible, there are still some words of the English language that are not recognized yet by the dictionary. In addition, anyone can become an author and write a definition. It is important to be prudent with some definitions and in case of doubt, check in another recognize dictionary.