Meaning of “anyone” - Learner’s Dictionary

anyone

pronoun us uk /ˈeniwʌn/ also anybody
Extra Examples
Have you discussed this matter with anyone else?Has anyone called the police?We don't serve alcohol to anyone under 18.Did anyone witness the attack?Would anyone like some more food?
A PERSON

A2 used in questions and negatives to mean 'a person or people':

I didn't know anyone at the party.
Does anyone else (= another person/other people) want to come?
ANY PERSON

B1 any person or any people:

Anyone can go - you don't have to be invited.

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