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

Langtolang Free English Italian and Italian English Dictionary with online lookup. It has auto-suggestion feature.

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

Simple dictionary and offline Wikipedia reader.

Kudos Wiktionary Word of the day APP and WIDGET.

Learn a new word everday by either launching the app or including a widget on your home screen (To add a widget after installing the app tap on an empty part of your background and select 'widgets' then 'Wiktionary')
Tapping the widget will give a full explanation of the word.

Dictionary data taken from wiktionary.com
Parts of the source are taken from or modified versions of that found on the Android Developer Blog.

The Application is developed to easily learn foreign words. Flash-cards and matching. All dictionaries are downloadable. English-French, English-Spanish, English-Russian, English-Italian. Other language pairs coming soon.

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.

English-French offline dictionary

Langtolang is a multilingual dictionary.

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

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

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

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

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

- German-English dictionary contains over 86,000 entries.
- English-German dictionary contains over 93,000 entries.

Multi-languages dictionary, support Stardict, Kdict, Zdict free dictionaries. Word can be added into History and Woodbook. Define custom online-dict to query free web protocol, and online-dict can be exported and imported. Support Recite(random,word fill game...) and Quickbar, you can search anywhere outside of application.

Mobile memory app helps you remember words quickly and efficiently by language learning. It supports Stardict, Kdict, Zdict dictionaries, embeded download system inside Momemo. After learn then go over through test, you can mark word as favorite or set reicte level. Also supports IPA and speech, can be used as dictionary.

Tiny Classroom Flash Cards is a feature rich flash card application for foreign language study. Tiny Classroom now provides free access to flash card learning lists for 30 separate languages!

+ Flash card mode
+ Written answers
+ Auto play flash cards
+ List View and filters
+ Import flash cards from web
+ Import or edit flash cards on phone

More flash card features coming soon in version 1.3

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Easy Vocabulary can be used as a vocabulary trainer or dictionary in any language.
Import or export word lists in CSV format. Find, add, edit, or delete words.
Learn vocabulary with an index card system in read, select or write mode. Have fun with Easy Vocabulary.

Dictionnaire Littré