Visuwords is described as 'The fun and free way to look up definitions. THE graphical dictionary and visual thesaurus. We love words' and is a Dictionary in the Education & Reference category. There are more than 25 alternatives to Visuwords, not only websites but also apps for a variety of platforms, including iPhone, Android, Windows and iPad. The best alternative is GoldenDict, which is both free and Open Source. Other great sites and apps similar to Visuwords are Wiktionary (Free, Open Source), WordReference (Freemium), dict.cc (Free) and Merriam-Webster (Free).
GoldenDict is an open-source dictionary program for PC computers that gives translations of words and phrases for different languages. It allows use of several popular dictionary file formats simultaneously.
dict.cc is not only an online dictionary translating from English and German to 21 languages. Its an attempt to create a platform where users from all over the world can share their knowledge in the field of translations.
Google's dictionary extension on Google Chrome. With it, you can double-click any word to view its definition in a small pop-up bubble, or search the complete definition of any word or phrase using the address bar dictionary.
Vocabulary.com is the easiest, most intelligent way to improve your vocabulary. It combines an adaptive learning system (The Challenge) with the world’s fastest dictionary (The Dictionary) so that you can more quickly and more efficiently learn words.