Dictionnaire : définitions mots français is a free Chrome extension developed by nicolas.leroux. It falls under the category of Browsers and is classified as an Add-ons & Tools subcategory. This extension allows users to easily find all the necessary information about a highlighted word in French.

With Dictionnaire : définitions mots français, users can access various details about a word, including its definition, etymology, illustrations, historical evolution of its usage, examples of citations, synonyms, and antonyms. To utilize the extension, simply highlight the desired word and right-click to access the word's definition.

This extension provides a convenient way for users to enhance their understanding of French words without the need to navigate away from their current browsing experience in Chrome.