Sites and apps similar to Thesaurus.com include Google Translate, which is free. Other options are GoldenDict, Wiktionary, WordReference and Tatoeba. You're spoiled for choice with Dictionaries like Thesaurus.com: we list more than 100 alternatives for Android, Windows, iPhone, iPad and Mac.
Looking for an easy and fun to use language translator app? Then download Mate Translate today. Mate Translate works in 103 languages and can perform text translations, speech-to-text translations and it even synchronizes between all your devices.
United States
Wordo.co is the clean and social dictionary, loved by word-geeks, Wiktionary enthousiasts and students.
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.
Germany
EU
Cambridge Dictionary is a multi-language dictionary for students and people who are in contact with English. This online version has been offering completely free of charge since 1999 by the Univeristy of Cambridge.
United Kingdom
Learn thousands of real slang words or add your own. Slang thesaurus, maps, usage voting, offensiveness rating, more.
United States
Bing Translator (previously Live Search Translator and Windows Live Translator) is a service provided by Microsoft as part of its Bing services to translate texts or entire web pages into different languages.
United States
Multilingual dictionary. The Blueseal dictionary provides translations of words and expressions between German, English, Spanish and French in all possible combinations. It also provides a synonym dictionary for all these languages.
Access all your favorite dictionaries and other lookup services in one place.
Firefox and Chrome extension are available to easily select and lookup any text in web pages.
Client/server software, human language dictionary databases, and tools supporting the DICT protocol (RFC 2229).
Lifetime Free & Distributable Dictionary Translation in a Single Click Auto Completion Capturing Any Text in Desktop Applications Searching in Multiple Dictionaries Optional and Customizable Search Methods Lookup History Text-to-Speech Engine Optional and Customizable.
xFarDic is a comprehensive multilingual dictionary developed using GTK2, wxWidgets, libxml2, under GNU/Linux and relesed under GNU/GPL.
The official Collins English Dictionary online. Comprehensive and authoritative, rely on Collins for up-to-date English with insights into language trends and usage.
