The most popular thesaurus extension (synonyms and antonyms) by leading online thesaurus PowerThesaurus.org. The extension adds: - button on toolbar that allows to search and view synonyms and antonyms - shortcut in context menu (select a word and right-click) that opens Power Thesaurus - icon or results panel with synonyms/antonyms on term selection. Just select any word on any page and Voila! You have your synonyms right there! Please don't hesitate to rate and review the extension, especially if it assisted you. Should you have any feedback or suggestion, please send your message to email@example.com. We love users like you!