Meaning of ONE in English

adj., n., & pron.


1. single and integral in number.

2 (with a noun implied) a single person or thing of the kind expressed or implied (one of the best; a nasty one).

3 a particular but undefined, esp. as contrasted with another (that is one view; one thing after another). b colloq. (as an emphatic) a noteworthy example of (that is one difficult question).

4 only such (the one man who can do it).

5 forming a unity (one and undivided).

6 identical; the same (of one opinion).


1. a the lowest cardinal number. b a thing numbered with it.

2 unity; a unit (one is half of two; came in ones and twos).

3 a single thing or person or example (often referring to a noun previously expressed or implied: the big dog and the small one).

4 colloq. an alcoholic drink (have a quick one; have one on me).

5 a story or joke (the one about the frog).


1. a person of a specified kind (loved ones; like one possessed).

2 any person, as representing people in general (one is bound to lose in the end).

3 I, me (one would like to help).


Often regarded as an affectation.

Phrases and idioms:

all one (often foll. by to) a matter of indifference. at one in agreement. for one being one, even if the only one (I for one do not believe it). for one thing as a single consideration, ignoring others. one another each the other or others (as a formula of reciprocity: love one another). one-armed bandit colloq. a fruit machine worked by a long handle at the side. one by one singly, successively. one day

1. on an unspecified day.

2 at some unspecified future date.


1. using a single horse.

2 colloq. small, poorly equipped. one-liner colloq. a single brief sentence, often witty or apposite. one-man involving, done, or operated by only one man.

one-night stand

1. a single performance of a play etc. in a place.

2 colloq. a sexual liaison lasting only one night. one-off colloq. made or done as the only one; not repeated. one or two see OR(1). one-piece (of a bathing-suit etc.) made as a single garment.


1. favouring one side in a dispute; unfair, partial.

2 having or occurring on one side only.

3 larger or more developed on one side. one-sidedly in a one-sided manner. one-sidedness the act or state of being one-sided. one-time former. one-to-one with one member of one group corresponding to one of another. one-track mind a mind preoccupied with one subject.

one-two colloq.

1. Boxing the delivery of two punches in quick succession.

2 Football etc. a series of reciprocal passes between two advancing players. one-up colloq. having a particular advantage. one-upmanship colloq. the art of maintaining a psychological advantage. one-way allowing movement or travel in one direction only.

Etymology: OE an f. Gmc

Oxford English vocab.      Оксфордский английский словарь.