WordNet® is a large lexical database of English with up to 140,000 entries and more than 1.4 million words, developed by the Cognitive Science Laboratory at Princeton University.

Lingua.ly - learn new vocab
Learn a language while you browse the web.
Study French, English, Spanish, Russian, Arabic, Hebrew and more, as you read articles on your mobile device and tap on words you don’t know. Lingua.ly’s smart dictionary gives you translations for vocabulary you would like to learn. The app creates personalized games and flashcards to help you remember your new vocab. A fun, free and seamless way to learn a language.

Offline English Portuguese Dictionary. More than 38.200 words. FREE!
Dicionário Inglês Português Offline. Mais de 38.200 palavras. GRÁTIS!

Online Dictionary - Multiple dictionaries including: English dictionary, medical dictionary, legal dictionary, financial dictionary, computer dictionary, thesaurus, dictionary of acronyms and abbreviations, dictionary of idioms, thesaurus, Columbia encyclopedia, Wikipedia encyclopedia, Hutchinson encyclopedia, examples from classic literature, pronunciations, word browser, glossary. Free access.

Application unofficial The Free Dictionary, thefreedictionary.

QuickDic Uses data from Wiktionary and Beolingus to generate dictionary files that can be used offline.

Offline English French Dictionary. Dictionnaire Anglais Français.
More than 60.000 words. FREE!

Learn 300+ new English words per month. Translate. Collect. Memorize words.

DictionaryForMIDs is a multi-purpose, offline dictionary application. Many dictionaries are available for automatic (may take a while) or manual installation, you can even create your own dictionary using tools from the website.

This is an offline Dictionary for English to arabic

Learn foreign languages or improve your vocabulary. For your choice!

Вы изучаете испанский язык и хотите расширить свой словарный запас? Попробуйте нашу обучающую игру "Испанские слова", которая позволяет быстро запомнить 5000 наиболее употребляемых слов в испанском языке.

edicpopAND help read and listening.

Memory Languages ​​is a game based on memory, to learn vocabulary in a foreign language. Three languages available : English, French, Spanish.

A game for both learners of the English language and for native English Speakers. This game of Hangman contains over 17 different topics. Also, includes a button that uses the google translate application to translate the word into the users language.

This is the basic version. it has two in game adds. The full version contains over 18 topics, over 600 words and will be updated regularly with new topics and words.

Offline English Arabic dictionary.
قاموس عربي إنجليزي
More than 83.400 words. FREE!

English To Tamil Dictionary for Android Devices -Trail Version
With lot of Amazing options

Offline English Italian Dictionary. Dizionario Inglese Italiano.
More than 57.600 words. FREE!

Collins Mini Gem Korean-English & English-Korean Dictionary is an up-to-date, easy-reference dictionary, ideal for learners of Korean and English of all ages. The dictionary covers about 10,000 words from each language with Collins pre-recorded audio pronunciation for each word.

Offline English-Norwegian dictionary. Engelsk-Norsk Ordbok offline.
More than 29.000 words. FREE!

WordMate is an universal dictionary application.

http://wordmate.net