Definition

Noun: 1. A card, badge, or document used to identify the bearer: An "I.D." is an official piece of documentation that proves a person's identity, typically containing information such as name, photograph, and date of birth.

Usage

"I.D." is used to refer to any official identification document. It is often requested to verify a person's identity, age, or authorization to enter a place or perform an action. * You must present a valid I.D. to board the flight. * The security guard checked everyone's I.D. at the entrance. * Do you have any I.D.? I need to confirm your address.

Advanced Usage

• To card someone / To ask for I.D.: This phrase is commonly used, especially when verifying a person's age, such as when purchasing alcohol.
  • The bartender carded me because I look young.
• Fake I.D.: An illegally produced or altered identification document.
  • Using a fake I.D. to buy alcohol is a crime.

Variants and Related Words

• Identification (n.): The full word for "I.D."; the act of identifying someone or something, or the document used for this purpose.
  • Please bring two forms of identification, such as a passport and a driver's license.
• ID card (n.): A specific term for a card used for identification.
  • The employee ID card grants access to the building.

Synonyms

• Credentials
• Identification papers
• Documentation

Related Phrases

• Show your I.D.: The act of presenting identification.
  • You'll need to show your I.D. to collect the package.
• Picture I.D.: An identification document that includes a photograph of the bearer.
  • A driver's license is an acceptable picture I.D.

Noun

1. a card or badge used to identify the bearer
   • you had to show your ID in order to get in