Cambridge Dictionaries online Cambridge Dictionaries online

El diccionario y el tesauro de inglés online más consultados por estudiantes de inglés.

Cambridge Advanced Learner’s Dictionary

With clear definitions and useful study extras, this monolingual dictionary can help you on your way to becoming a confident, natural-sounding English speaker.

Cambridge Advanced Learner's Dictionary is the best dictionary for general British English on Cambridge Dictionaries Online. Select "British English" from the list of dictionaries at the top of any page on Cambridge Dictionaries Online to search this dictionary.

Favourite Entries

Key Features

Understand the meaning

Clear, simple and accurate definitions using easy-to-understand language: check the definition for polyhedron. More advanced meanings are given for more common words: check all the meanings for nut.

Find the meaning

Use the guidewords to identify the meaning that you are looking for. Look at the More Results panel next to the entry for hand.

Learn how to use the word

Thousands of natural example sentences that show how the word is used in context: The entry for the verb protest shows that it is used with the preposition against.

British English and American Pronunciation

Hear the words spoken online with thousands of recordings: Try listening to the two different pronunciations for the word sanctuary.

Also available as a book

Get the Cambridge Advanced Learner's Dictionary from Cambridge ELT

  • 'Word partner' boxes show you how to use words in the most natural way.
  • 'Extra help' section includes maps, illustrations and photos.
  • 'Let's Talk' section focuses specifically on spoken English.
  • 'Common mistakes' boxes help you avoid typical errors.
  • Thesaurus panels help you widen your vocabulary.

Other dictionaries

In other dictionaries...

“expenditure” in other dictionaries

If you search for a word, then decide you want to see what another Cambridge dictionary says about it, you can use the ‘In other dictionaries’ section on the right.

For example if you look up the definition for expenditure in British English, then want to find out what the American English dictionary says, click on ‘American English’. If you then want to find a Spanish translation for that word, click on ‘in Spanish’.

Add Cambridge dictionaries to your browser to your website
Buscar en el diccionario de sinónimos

Palabra del día

light at the end of the tunnel

signs of improvement in a situation that has been bad for a long time, or signs that a long and difficult piece of work is almost finished

Palabra del día

The language of work

by Kate Woodford,
October 15, 2014
Most of us talk about our jobs. We tell our family and friends interesting or funny things that have happened in the workplace (=room where we do our job), we describe – and sometimes complain about – our bosses and colleagues and when we meet someone for the first time, we tell

Aprende más 

life tracking noun

October 20, 2014
the use of one or more devices or apps to monitor health, exercise, how time is spent, etc.

Aprende más