Smarty Synonym is a free Chrome extension that brings a thesaurus and dictionary to every page you visit. 📖 While reading — double-click any unfamiliar word to get an instant definition, without opening a new tab or losing your place. ✍️ While writing — double-click any word that feels flat and choose from 6+ synonyms. One click to swap it in. 🔒 Zero data collection. No browsing history. No tracking. The only thing sent externally is the word you look up.