Termy - Vocabulary Explanations icon

Termy - Vocabulary Explanations

by m.motyzhenkov

v1.0.0 Updated Feb 20, 2026 112KiB
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Description

Select any English word or phrase on any website and get instant vocabulary explanations tailored to your level. On YouTube, Termy works with subtitles — just enable captions and trigger Termy to explain what you're hearing. Termy breaks down unfamiliar vocabulary with clear definitions adjusted to your CEFR proficiency level (A1–C2). Whether you're reading news, watching YouTube, browsing Reddit, or studying articles — highlight text, press a shortcut, and understand it instantly. HOW IT WORKS 1. Select text on any webpage (or enable subtitles on YouTube) 2. Press Alt+Shift+X (or Cmd+Shift+X on Mac), or right-click and choose "Explain with Termy" 3. Get instant, level-appropriate explanations in a clean overlay FEATURES • CEFR-adjusted explanations — from Beginner (A1) to Proficient (C2) • YouTube subtitle support — explain vocabulary from video captions • Translation mode — translate phrases to your native language • Keyboard shortcut — quick access without leaving the page • Right-click context menu — explain any selected text • Real-time streaming — see explanations as they appear • Smart caching — instant results for previously explained terms • Desktop app sync — connects with Termy Desktop for a unified experience • Works on any website PERFECT FOR • English learners reading web content or watching YouTube • Students studying articles and textbooks online • Non-native speakers browsing news, forums, and social media • Anyone expanding their English vocabulary Free with limits. Subscribe for unlimited access.
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Permissions (6)

Permissions

activeTab Can access the current tab when you click the extension alarms Can schedule periodic background tasks contextMenus Can add items to the right-click menu identity Can use your Google account identity scripting Can inject scripts into web pages storage Can store data locally in your browser

Details

Version 1.0.0
Updated Feb 20, 2026
Size 112KiB
First Seen Mar 21, 2026