Google Dictionary is described as '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' and is a popular Dictionary in the web browsers category. There are more than 25 alternatives to Google Dictionary for a variety of platforms, including Web-based, Android, iPhone, iPad and Linux apps. The best Google Dictionary alternative is GoldenDict, which is both free and Open Source. Other great apps like Google Dictionary are Wiktionary, WordReference, Dictionary.com and GoldenDict-ng.