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English definition of “someone”

someone

pronoun
 
 
/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?Someone, anyone, no one or everyone
someone else A2 a different person: Sorry, I thought you were talking to someone else.Someone, anyone, no one or everyone
(Definition of someone from the Cambridge Learners Dictionary © Cambridge University Press)
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