Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “one”

one

pronoun
 
/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)
Add Cambridge dictionaries to your browser to your website

Definitions of “one” in other dictionaries

Word of the Day

dawn on sb

If a fact dawns on you, you understand it after a period of not understanding it.

Word of the Day

The language of work

by Kate Woodford,
October 15, 2014
Most of us talk about our jobs. We tell our family and friends interesting or funny things that have happened in the workplace (=room where we do our job), we describe – and sometimes complain about – our bosses and colleagues and when we meet someone for the first time, we tell

Read More 

life tracking noun

October 20, 2014
the use of one or more devices or apps to monitor health, exercise, how time is spent, etc.

Read More