Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

look something up

(CHECK FACTS)

Definition

to check a fact or get information about something: If you're not sure what the word means, look it up in a dictionary. I looked up solar power on the Internet to find out more about it.
(Definition of look something up (CHECK FACTS) from the Cambridge Academic Content Dictionary © Cambridge University Press)

Word of the Day

everything under the sun

everything that exists or is possible

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

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

Learn More