Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “ID”

See all translations

ID

noun uk   /ˌaɪˈdiː/ us  

ID noun (DOCUMENT)

A2 [U] informal abbreviation for identification: any official card or document with your name and photograph or other information on it that you use to prove who you are: Do you have any ID? A driving licence or cheque card will do.

ID noun (ADDRESS)

written abbreviation for the US state of Idaho: used in addresses

ID

verb [T] uk   /ˌaɪˈdiː/ US informal us  
to look at a person or a body and say who that person is to someone in authority: He had to go to the morgue to ID the body.
(Definition of ID noun, verb from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of ID?
Add Cambridge dictionaries to your browser to your website

Definitions of “ID” in other dictionaries

Word of the Day

cold snap

a short period of cold weather

Word of the Day

Cleavage proves divisive in Cambridge’s words of 2014

by Alastair Horne,
December 19, 2014
​​​​ Other dictionaries may choose faddish novelties as their words of the year, but here at Cambridge, we like to do something different. We look for the words that have seen sudden surges in searches over the course of the year – words that have been baffling users of English and driven them

Read More 

cinderella surgery noun

December 15, 2014
cosmetic surgery to the feet We have all heard of people having nose jobs, boob jobs and liposuction – but now a new trend growing in popularity in America: Cinderella surgery.

Read More