Dictionary+ is a versatile, free add-on for Chrome that provides a comprehensive multilingual dictionary experience. Utilizing the Google Dictionary API, it allows users to view definitions of nouns, verbs, and adjectives, along with their etymology, synonyms, and antonyms. The tool supports text translation in over 137 languages and features a persistent text highlighter that displays definitions in a tooltip when hovering over highlighted text.

This lightweight extension, at just 25KB, does not require any signup or permissions, ensuring user privacy. Users can easily access word definitions by double-clicking a word, using a keyboard shortcut (Alt+D), or selecting the "Define" option from the right-click context menu. Additionally, it offers the ability to save and export word history in HTML or JSON format, making it a practical tool for language learners and enthusiasts alike.