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Preview of YouTube English Definitions

YouTube English Definitions by Eren Avar

Pause YouTube videos on subtitle hover and view clear English definitions without leaving the video.

Available on Firefox for Android™
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Hover over an English subtitle word on YouTube to pause the video and view a clear English definition.Definitions appear directly over the video, so you can learn vocabulary without leaving YouTube.
About this extension
Learn English while watching YouTube.

Hover over a word in English subtitles to pause the video and see its English definition. Move the pointer away to resume playback.

The toolbar menu lets you enable or disable the extension and configure pause, resume, examples, and definition settings.

Definitions are provided by the Datamuse API. Only the selected subtitle word is sent to Datamuse. The extension contains no advertising, analytics, or user accounts.
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Permissions and data

Required permissions:

  • Access your data for api.datamuse.com
  • Access your data for www.youtube.com
  • Access your data for m.youtube.com

Required data collection, according to the developer:

  • Website content
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More information
Add-on Links
Version
1.0
Size
76.44 KB
Last updated
8 days ago (Jul 6, 2026)
License
All Rights Reserved
Version History
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