QuickDef: Instant Word Lookup by Praneet

QuickDefine lets you look up English word meanings instantly as you read. Simply click the extension icon to toggle it ON, highlight any single word on a webpage, and a clean definition popup will appear right below the text.
Features:
One-Click Toggle: Turn the extension ON or OFF anytime with the toolbar badge.
Instant Definitions: Double-click or select any single word to fetch its definition without leaving the page.
Non-Intrusive Design: Clean popup overlay designed to sit comfortably beneath highlighted text without breaking page layouts.

Lightweight & Fast: Uses free public APIs with zero unnecessary background processing or bloat.