Lion (LEO dictionary)

Lion allows you to send a query to the German-English, -French, -Spanish and -Italian LEO dictionaries (Chinese is currently not supported) with a click of your mouse from almost all MS Windows applications.

Free Personal Windows Android iPhone Blackberry Windows Phone HP webOS S60

Glosbe

Huge collaborative massively multilingual dictionary.

Free Personal Web

xFarDic

xFarDic is a comprehensive multilingual dictionary developed using GTK2, wxWidgets, libxml2, under GNU/Linux and relesed under GNU/GPL. It can be installed and used in different RPM and Debian based distros.

Free Open Source Linux

purple

Dictionary from the Elementary project.

Free Open Source Linux

VerbAce

VerbAce-Pro is an easy-to-use Desktop Translation Software. Translate in a mouse click From any application Access Wikipedia Quick translation option by moving the cursor

Freemium Windows Android

SpanishDict

SpanishDict is a Spanish-learning website that offers a Spanish to English dictionary, a Spanish-English translator, video lessons, flashcards, and more.

Free Android iPhone Web

Visuwords

The fun and free way to look up definitions. THE graphical dictionary and visual thesaurus. We love words.

Free Web

Ultralingua

At Ultralingua, we make software for people who love languages. We focus on high quality consumer applications for mobile devices, and offer our linguistic APIs to partners in a variety of fields.

Freemium Mac OS X Windows Android iPhone Android Tablet iPad Web

Define

Define is the fastest and most lightweight dictionary application you have ever seen on iOS! Define relies only on the internal dictionary Apple hides inside your iOS device. No need to be constantly reliant on an internet connection.

Free Open Source iPhone iPad

Advanced English Dictionary

Advanced English Dictionary is better than other dictionaries, not just because it contains far more words than a conventional paper dictionary, but because it uses a...

Commercial iPhone Blackberry Java Mobile S60

Idiommaster

Idiommaster provides translations with contextual examples, plus grouping a possible translations based on number of occurrences!.

Free Web

Longman English Dictionary Online

The Longman Dictionary of Contemporary English Online is an online version of the CD-ROM of the Longman Dictionary of Contemporary English, Updated Edition.

Free Web

Eko

Strap a jetpack to your Korean writing & reading level with software designed for non-native Korean users ? Express yourself in Korean blog posts, emails, and...

Commercial Windows

Languages

Lightning-fast translation that works without an internet connection.

Commercial iPhone

dict66

Easy to use online dictionary and multilingual translation service

Free Web

Thesaurus.com

Thesaurus.com is the world’s largest and most trusted free online thesaurus brought to you by Dictionary.com. For over 20 years, Thesaurus.com has been helping millions...

Free Chrome OS Web Google Drive - Docs

EZGlot

Explore common words across languages, word games and puzzles in various languages, word maps, similar language statistics, find words to solve scrabble and crossword...

Free Web

NextDict Dictionary

NextDict is a multi-language dictionary and a collection of the most complete English references for English and foreign language learners. The app can be used...

Free Android iPhone

Ninjawords

Ninjas are three things: Theyre smart, theyre quick, theyre deadly accurate—Ninjawords is a dictionary for the iPhone built on these principles. We made it because we...

Commercial iPhone