- [uncountable, countable] an official way of showing who you are, for example a document with your name, date of birth and often a photograph on it (the abbreviation for ‘identity’ or ‘identification’)
- You must carry ID at all times.
- The police checked IDs at the gate.
- You will need some form of photo ID.
- [countable] identification (= the fact of showing, proving or recognizing who or what somebody/something is)
- The police need a witness to make a positive ID.
Check pronunciation:
ID