Efficient Vocabulary Building
Improve Your Vocabulary
The Right Way
Define anything, anywhere. Double-click any word for instant definitions, select phrases for AI explanations, or translate sentences — all without leaving your page.
How It Works
Simple interactions for powerful results. No tab switching needed.
Single Words
Double-click any word to get dictionary definitions from Cambridge, Merriam-Webster, or Gemini AI
Phrases & Sentences
Select 2-5 words for AI-powered explanations, or longer sentences for instant translation
Listen & Learn
Use text-to-speech for any word, phrase, or sentence. Right-click for alternative access
Key Features
Everything you need for seamless vocabulary building and language learning
Instant Popup Definitions
Clean definitions with parts of speech, examples, pronunciations, and audio right on the page
Phrase & Translation Support
AI-powered explanations for phrases (2-5 words) and sentence translation using Gemini
Text-to-Speech
Audio playback for words, phrases, and sentences with fallback support for pronunciation
Saved Words Manager
Search, filter, multi-select, and bulk delete your vocabulary with advanced management tools
Export in Multiple Formats
Export your vocabulary in CSV or JSON formats, plus backup your extension settings
Per-Site Control
Enable or disable DefineX on specific websites from the toolbar popup for flexible usage
See DefineX in Action
Clean, intuitive interface designed for seamless vocabulary building
Definition With Translation
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