one - definition in the American English Dictionary - Cambridge Dictionaries Online

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English definition of “one”

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one

one

pronoun, adjective [not gradable]  us   /wʌn/

one pronoun, adjective [not gradable] (SINGLE)

not two or more: There are too many of us to fit in just one car.

one pronoun, adjective [not gradable] (PARTICULAR THING/PERSON)

used to refer to a particular thing or person within a group or range of things or people: There are lots of flavors – which one would you like? He advised workers around him, especially the younger ones, to be patient. Kayla is the one with dark brown hair. Make sure the ones that we've got there do what you want them to do. She is one beautiful woman (= she is very beautiful). Why don’t we meet for lunch one day next week?one of To be one of a group of people or things is to be a member of that group: It’s one of the most popular songs.

one

adjective [not gradable]  us   /wʌn/

one adjective [not gradable] (ONLY)

used when saying there is no other person or thing: He’s the one person you can rely on in an emergency.

one

pronoun  us   /wʌn/ fml

one pronoun (ANY PERSON)

any person, but not a particular person: One ought to make the effort to vote.
Translations of “one”
in Arabic واحِد, أحَد, في يَوْم مِنْ الأيّام…
in Korean 1, 일, 한 명…
in Malaysian satu, setahun…
in French un, un an…
in Turkish bir…
in Italian uno, una cosa, unico…
in Chinese (Traditional) 數字, (數字)1…
in Russian один…
in Polish jeden…
in Vietnamese số 1, 1 tuổi…
in Spanish uno, un año…
in Portuguese um, uma, qualquer…
in Thai เลขหนึ่ง, 1 ขวบ…
in German die Eins…
in Catalan u, un, algun…
in Japanese 1, 1の, 1人…
in Indonesian satu, umur satu tahun…
in Chinese (Simplified) 数字, (数字)1…
(Definition of one from the Cambridge Academic Content Dictionary © Cambridge University Press)
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