Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “one”

See all translations

one

pronoun
 
 
/wʌn/
PARTICULAR PERSON/THING A2 used to refer to a particular person or thing in a group that has already been talked about: I've just made some biscuits, do you want one? Throw those gloves away and get some new ones. Chris is the one with glasses.Single, double and multipleParticular and individualPersonal pronouns
GENERAL formal any person in general: One ought to respect one's parents.Personal pronouns
one at a time B2 separately: Eat them one at a time.Order and sequenceSimultaneous and consecutive
one by one B2 separately, with one thing happening after another: One by one the old buildings have been demolished.Order and sequenceSimultaneous and consecutive
one another B1 each other: How can they reach an agreement if they won't talk to one another?Reciprocating
(all) in one combined into a single thing: It's a vacation and art course all in one.Single, double and multiple
(Definition of one pronoun from the Cambridge Learners Dictionary © Cambridge University Press)
Add Cambridge dictionaries to your browser to your website

Definitions of “one” in other dictionaries

Word of the Day

luck

the force that causes things, especially good things, to happen to you by chance and not as a result of your own efforts or abilities

Word of the Day

A certain je ne sais quoi: French words and phrases used in English

by Liz Walter,
January 21, 2015
It is an odd irony that the more sophisticated your use of English is, the more likely you are to use French words and phrases. Or, to be more accurate, ones you know to be French – words such as ballet, au pair, abattoir, fiancé, café, and restaurant are so entrenched in

Read More 

flower beard noun

January 19, 2015
a beard adorned with flowers And some of said beard-rockers are even turning it up a notch, painting trend on top of trend with what’s come to be known as ‘the flower beard.’

Read More