Cambridge Free English Dictionary and Thesaurus
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.

Dictionaries and lots more!

Explore English further with Cambridge Dictionaries Online:

  • read our blog to keep up to date with developments in the English language and essential grammar information for learners
  • stay on top of the latest vocabulary and improve your language knowledge with our weekly new words posts
  • subscribe to our Facebook and Twitter communities to get Word of the Day updates, and for alerts on any new developments to the site

Word of the Day

chestnut

a large tree with leaves divided into five parts and large round nuts that can be eaten

Word of the Day

Introducing a new author and a new weekly blog post!
Introducing a new author and a new weekly blog post!
by Cambridge Dictionaries Online,
August 27, 2015
The English language is constantly changing. You know that. But did you know that at Cambridge Dictionaries Online we keep track of the changes? We continually add new words and new meanings to our online dictionary for learners of English. Some of them are new to English entirely (neologisms), and some

Read More 

parklet noun
parklet noun
August 31, 2015
a public outdoor space that may be associated with a local business but where anyone can sit Pop-up cafes in NY are what’s actually called parklets in many other places around the country.

Read More