Definition of "one" in Essential British English Dictionary


pronoun uk /wʌn/

A2 one person or thing in a group that has already been talked about:

I’ve just made some biscuits. Do you want one?
Chris is the one with glasses.
one by one

separately, one after the other:

They entered the room one by one.
one after another (also one after the other)

first one, then another, then another, and so on:

One after another, they left the room.
She ate the chocolates one after the other until the box was finished.

formal any person in general:

One should respect one’s parents.

(Definition of “one pronoun” from the Cambridge Essential Dictionary © Cambridge University Press)