Langtolang Free English French And French English Dictionary with online lookup. It has auto-suggestion feature.

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

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

Advanced Dictionary allows you to translate in any direction between many world languages and allows you to test your knowledge.

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.

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

This application allows you to browse off-line dictionaries. This is useful when the Internet connection is not availabe (abroad, in the plane...)

Chosen as "Best Dictionary App" by the book "Best Android Apps: The Guide for Discriminating Downloaders", O'Reilly Media.

Free Dictionary is an English Dictionary that gives you English definitions, synonyms, pronunciation and spelling.
- Auto-suggestion
- Offline Database query when there is no network
- Wikipedia Integration
- Play quiz game
- Searched word on Google Images
- Search history

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.