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

determiner
 
 
/wʌn/
PARTICULAR PERSON/THING A2 used to refer to a particular person or thing in a group: One drawback is the cost of housing in the area. One of our daughters has just got married.Single, double and multiple
FUTURE TIME B2 used to refer to a time in the future that is not yet decided: We must have a drink together one evening.Describing when something happened or will happen
TIME IN PAST B2 at a particular time in the past: I first met him one day in the park.Describing when something happened or will happen
ONLY B2 only: He's the one person you can rely on in this place.Single, double and multipleSingle, double and multiple
WITH ADJECTIVE mainly US used to emphasize an adjective: That's one big ice cream you've got there!Intensifying expressions
one or two B1 a few: I'd like to make one or two suggestions. →  See also put sth to one side , be one step ahead (of sb) Small in number and quantity
Translations of “one”
in Korean 1, 일, 한 명…
in Arabic واحِد, أحَد, في يَوْم مِنْ الأيّام…
in Portuguese um, uma, qualquer…
in Catalan u, un, algun…
in Japanese 1, 1の, 1人…
in Italian uno, una cosa, unico…
in Chinese (Traditional) 數字, (數字)1…
in Russian один, одна, одно…
in Turkish bir, biri, tek…
in Chinese (Simplified) 数字, (数字)1…
in Polish jeden, pewien, jakiś…
(Definition of one determiner 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

pup

a baby of particular animals, or a puppy

Word of the Day

I won’t tolerate it! Replacing formal words with phrasal verbs.

by Liz Walter,
April 01, 2015
When you are using a language, it is important to understand if a word is formal or informal, so that you can use it in an appropriate way. You might hear people saying dosh for money, or spud for potato, but they wouldn’t write those words in a formal essay. Similarly, a

Read More 

stackin’ p

March 30, 2015
idiom slang earning a lot of money ‘That’s a very generous present.”Yeah, well, she’s stackin’ p, innit?’

Read More