Use Cambridge Dictionaries Online in your apps and website with our API and more


Are you a website developer? Do you run a learning management system? Are you designing apps? Learners of English benefit from having a dictionary at their fingertips - on this page you'll find a selection of ways you can integrate Cambridge Dictionaries Online into your product.

Dictionary API

The Cambridge Dictionaries Online API gives you access to a range of dictionaries and methods. Explore our Developer Hub to find out more.

Double-Click Lookup

You can add the power of Cambridge Dictionaries Online to your own website, with a free double-click dictionary search feature for your website.

License Data

We also welcome enquiries from researchers and developers, and have a wide range of data sets available.

Search Widgets

Add these widgets to your website to let all your users look up any word they like from Cambridge Dictionaries Online.

Add Cambridge dictionaries to your browser to your website
Word of the Day


a large group of soldiers who form a part of an army, especially the ancient Roman army

Word of the Day

There is no such thing as a true synonym in English. Discuss!
There is no such thing as a true synonym in English. Discuss!
by Kate Woodford,
November 25, 2015
In the Cambridge Advanced Learner’s Dictionary the word ‘synonym’ is defined as ‘a word or phrase that has the same or nearly the same meaning as another word or phrase in the same language’. As you might expect, definitions for this word are broadly similar in other dictionaries and yet the italicized

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conversational user interface noun
conversational user interface noun
November 30, 2015
a computer interface that provides information to users in normal, conversational speech in response to spoken requests Nearly every major tech company—from Amazon to Intel to Microsoft to Google—is chasing the sort of conversational user interface that Kaplan and his colleagues at PARC imagined decades ago.

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