Meaning of “someone” - Learner’s Dictionary


pronoun us uk /ˈsʌmwʌn/ also somebody

A2 used to refer to a person when you do not know who they are or when it is not important who they are:

There's someone at the door.
Will someone please answer the phone?

More examples

someone else

A2 a different person:

Sorry, I thought you were talking to someone else.
I picked up someone else's book by mistake.

(Definition of “someone” from the Cambridge Learner’s Dictionary © Cambridge University Press)