Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

Welcome to Cambridge Dictionaries Online!

We have corpus-informed dictionaries for English language learners at all levels. They’re ideal for anyone preparing for Cambridge English exams and IELTS.

Learn about Grammar

You can now find answers to your grammar questions from Cambridge Dictionaries Online: you can now search English Grammar Today, an indispensable reference guide to contemporary English grammar and usage. It gives you clear explanations of natural written and spoken English and is ideal for learners of English. English Grammar Today is based on extensive corpus research and is written by a team of leading experts in the field. It provides hundreds of clear grammar explanations with authentic examples of the way in which the grammar is used in real-life situations.

Online and mobile?

Cambridge Dictionaries Online now works on smartphones and tablets, as well as desktop and laptop computers. So now you can look up words online, anytime, and it’s still free!

Offline and mobile?

Explore Cambridge Apps for a range of downloadable language learning and reference apps that you can access on your smartphone or tablet, anytime, anywhere.

Offline and old-school?

All Cambridge University Press dictionaries continue to be available in print. Many include pictures, graphs and diagrams, study pages with practical advice, and CD-ROMs with spoken British and American

Word of the Day


a small company that makes beer, usually using traditional methods, and often has a restaurant where its beer is served

Word of the Day


Read our blog about how the English language behaves.

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New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

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