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

The most popular online dictionary and thesaurus for learners of English

Develop

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
lap

to go past someone in a race who has been round the track one less time than you

Word of the Day

Are you a glass-half-full person? (Everyday Idioms)
Are you a glass-half-full person? (Everyday Idioms)
by Kate Woodford,
July 29, 2015
A reader of this blog recently asked for a post on idioms that are used in everyday English. This seemed like a reasonable request. After all, if you are going to make the effort to learn a set of English idioms, you want those idioms to be useful. The question, then, was

Read More 

exoskeleton noun
exoskeleton noun
July 27, 2015
a robotic device which goes around the legs and part of the body of a person who cannot walk and allows them to move independently and in an upright position The device, known as an exoskeleton, is strapped to the outside of a person’s limbs and can then be controlled by them.

Read More