
QuickDefine by phil1986
Look up word definitions with Ctrl + double-click.
1 User1 User
You'll need Firefox to use this extension
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About this extension
This extension lets users instantly look up English word definitions by double-clicking while holding the Ctrl key. When activated, it fetches definitions from dictionaryapi.dev and displays them in a clean, typographically styled popup directly on the page -no page reloads, no distractions.
Features include:
- ⏱️ Fast, inline definition lookup
- 🎯 Precise activation via Ctrl + double-click
- 📚 Multiple definitions grouped by part of speech (noun, verb...)
- 🧾 Elegant popup styling with progress bar and auto-dismiss
- 🧼 Fully DOM-safe rendering (no innerHTML), compliant with Mozilla’s security guidelines
Perfect for readers, researchers, and writers who want quick access to word meanings without breaking their flow.
Features include:
- ⏱️ Fast, inline definition lookup
- 🎯 Precise activation via Ctrl + double-click
- 📚 Multiple definitions grouped by part of speech (noun, verb...)
- 🧾 Elegant popup styling with progress bar and auto-dismiss
- 🧼 Fully DOM-safe rendering (no innerHTML), compliant with Mozilla’s security guidelines
Perfect for readers, researchers, and writers who want quick access to word meanings without breaking their flow.
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Permissions and dataLearn more
Required permissions:
- Access your data for all websites
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 1.0
- Size
- 11.96 KB
- Last updated
- 4 days ago (Sep 12, 2025)
- Related Categories
- License
- Mozilla Public License 2.0
- Version History
- Tags
- Add to collection
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