Learn English with Cambridge Dictionaries Online
Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

Learn

There are more ways to learn English with Cambridge Dictionaries.

Dictionary Apps

Look up words wherever you are with our apps for dictionaries and vocabulary learning at cambridgemobileapps.com

Help

Questions about the dictionary? Have a look at our Help page. We also have a guide to the phonetics used in the dictionary, and a list explaining the labels we use.

In Print

In the classroom, at home or on the move, many people continue to rely on Cambridge's print dictionaries. View our range of dictionaries.

Memrise

Want to know more about the Practice feature we're working on with Memrise? Here's what we're doing...

Search from your Browser

Search Cambridge Dictionaries from your Firefox Toolbar, or use a Chrome Extension - get them here.

Word of the Day

Learn today's Word of the Day, or follow it on Twitter or Facebook.

Add Cambridge dictionaries to your browser to your website
Word of the Day
social security

a system of payments made by the government to people who are ill, poor, or who have no job

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 

responsible luxury noun
responsible luxury noun
August 03, 2015
high-end, green tourism and hospitality Jumeirah’s ‘responsible luxury’ approach is an example of a sustainable travel experience – future guests will enjoy the environment as much as today’s.

Read More