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

luck

the force that causes things, especially good things, to happen to you by chance and not as a result of your own efforts or abilities

Word of the Day

A certain je ne sais quoi: French words and phrases used in English

by Liz Walter,
January 21, 2015
It is an odd irony that the more sophisticated your use of English is, the more likely you are to use French words and phrases. Or, to be more accurate, ones you know to be French – words such as ballet, au pair, abattoir, fiancé, café, and restaurant are so entrenched in

Read More 

micro pig noun

January 26, 2015
an extremely small pig, bred to be a pet Micro pigs have become popular pets recently, with famous owners including Victoria Beckham, Paris Hilton and Olympic diver, Tom Daley.

Read More