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

force

physical, especially violent, strength, or power

Word of the Day

They sometimes go here and they never go there: using adverbs of frequency

by Liz Walter,
April 29, 2015
Sometimes, always, often, never: these are some of the most common words in English.  Unfortunately, they are also some of the words that cause the most problems for students. Many of my students put them in the wrong place, often because that’s where they go in their own languages. They say things

Read More 

e-juice noun

April 27, 2015
the liquid content in an e-cigarette, which includes nicotine and may be flavoured in various ways Contestants…suck on a modified vaper until they’ve filled their chest cavity with enough vaporised nicotine “e-juice” to shoot out a belch of white smoke upwards of 4ft long.

Read More