Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “ID”

ID

noun [U]     /ˌaɪˈdiː/ informal
A2 any official card or document with your name and photograph or other information on it that you use to prove who you are: Have you got any ID? A driving licence or cheque card will do.Official documentsIdentifying
(Definition of ID noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of ID

Definitions of “ID” in other dictionaries

Word of the Day

limber up

to do gentle exercises to stretch the muscles in order to prepare the body for more active physical exercise

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