B1noun1K

ID

UK /["/ɪd/"]/US /["/ɪd/"]/

Definition

the part of the unconscious mind where many of a person’s basic needs, feelings and desires are supposed to exist

In simple words: A piece of information that shows who you are.

Examples

  • Please show your ID at the entrance.
  • He lost his ID while traveling abroad.
  • You need a valid ID to buy alcohol.
  • Her ID was checked before she could enter the club.
  • Make sure to have an ID for verification.

Usage notes

ID is commonly used in everyday situations like showing identification. Use in informal situations, but in formal contexts, specify types (e.g., 'government-issued ID').

Grammar pattern

standalone noun

Memory hint

Think of 'ID' as 'Identity Document'—like a key unlocks the door to your identity.

Collocations

  • show ID
  • valid ID
  • government ID
  • ID card

Synonyms

  • identification
  • license
  • passport
  • credential

Antonyms

  • anonymous
  • unknown

Common mistakes

  • Confused with 'I'd' as in 'I would'.
  • Using 'id' instead of 'ID' in formal writing.
  • Assuming everyone knows what 'ID' refers to without context.