Margin Dictionary per Leo Proger

Stay curious without losing your place.

Margin Dictionary brings Cambridge English definitions to your reading flow.
Select a word and click Define, use the right-click menu, or press Alt+Shift+D.
The toolbar also lets you look up words manually.

• English definitions and examples
• Parts of speech and British/American pronunciation
• A calm, readable light popup designed for Firefox and Zen
• No account or API key required

Your requested word is sent directly to dictionary.cambridge.org only when you
perform a lookup. Pronunciation audio is requested when you press Play.
No surrounding text, page URL, analytics or persistent query history is sent
to the developer.

Margin Dictionary is an independent project, not affiliated with or endorsed
by Cambridge University Press & Assessment. Cambridge may limit requests or
change its website. Protected browser pages use toolbar search instead.