A1pronoun1K

Someone

UK /["/ˈsʌmwʌn/"]/US /["/ˈsʌmwʌn/"]/

Definition

a person who is not known or mentioned by name

In simple words: a person that is not named

Examples

  • There's someone at the door.
  • Someone's left their bag behind.
  • It's time for someone new *(= a new person)* to take over.
  • It couldn't have been me—it must have been **someone else** *(= a different person)*.
  • Should we call a doctor **or someone**?
  • He was a small-time lawyer keen to **be someone**.

Usage notes

Use 'someone' when referring to an unspecified person. It's neutral, suitable for both spoken and written contexts. Avoid in very formal writing or when specificity is needed.

Grammar pattern

standalone noun

Memory hint

Sounds like 'some one' — think of a mystery person.

Collocations

  • someone special
  • someone new
  • someone important
  • someone else

Synonyms

  • somebody
  • individual
  • person
  • human
  • being

Antonyms

  • nobody
  • no one
  • none

Common mistakes

  • Confusing with 'anyone' which is more general.
  • Using 'someone' in plural form (e.g., 'somones').
  • Incorrectly using 'someone' when a specific name should be used.