onenumber, determiner
uk/wʌn/us/wʌn/one number, determiner (NUMBER)
A1 the number 1:
More examples
- Trouble broke out in the match when one of the players called a member of the other team a cheat.
- They've got two adopted children and one of their own.
- He is one of the top chefs in Britain.
- When one engine stopped, we had to turn round and fly home.
- Would you run your idea by me one more time?
- Four parcels came this morning, but only one was for Mark.
- Paint one side, leave it to dry, and then paint the other.
- He can't tell one wine from another, so don't give him any of the expensive stuff.
Thesaurus: synonyms and related words
Numbers: cardinal, including nought & zero
- eighty
- eleven
- fifty
- five
- fourteen
- giga-
- googol
- hundred
- milliard
- million
- O, o
- seventy
- six
- ten
- thirty
- thousand
- trillion
- twelve
- uni
- unit
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one number, determiner (MEMBER)
A2 a member of a group of people or things:
Thesaurus: synonyms and related words
Groups of people
- alliance
- an
- assemblage
- band
- bee
- corps
- crop
- galaxy
- gang
- ginger group
- group
- grouping
- quarter
- think tank
- threesome
- throng
- tribe
- trio
- triumvirate
- wing
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one number, determiner (FUTURE TIME)
B2 used to refer to a time in the future that is not yet decided:
More examples
- You're going to get into serious trouble one of these days.
- Let's go to the cinema one night next week.
- One of these days we're going to move to France.
- Come and visit one weekend.
- One day we'll be able to afford a car like that.
Thesaurus: synonyms and related words
Describing when something happened or will happen
- at
- be
- coincident
- for
- hundred
- immediately
- in
- line
- movable feast
- on
- somewhere along the line idiom
- space
- up
- within
You can also find related words, phrases, and synonyms in the topics:
one number, determiner (PARTICULAR OCCASION)
B2 used to refer to a particular occasion while avoiding stating the exact moment:
More examples
- At one point Seeger fell afoul of the US government for his antiwar actions.
- He managed to eke out a living one summer by selling drinks on a beach.
- They met in Paris one enchanted afternoon in early autumn.
- I suspected he wasn't telling me the truth, and one day I caught him out when I found some letters he'd written.
- We met one day last year when we got talking in a bar.
Thesaurus: synonyms and related words
Points in time
- anytime
- as
- as and when idiom
- downstream
- during
- hour
- immediately
- in midstream idiom
- juncture
- later
- midstream
- midway
- moment
- occasion
- once
- point
- time
- time slot
- under the wire idiom
- wire
one number, determiner (SINGLE)
B2 a single thing; not two or more:
C2 combined in a single person or object:
More examples
- With one blow of the knight's axe, he clove the rock in twain.
- Only one competitor made a clear jump of the highest fence.
- Don't let one little quarrel come between you.
- I took one look at her and cracked up.
- The canteen is the one thing I'll miss about work.
Thesaurus: synonyms and related words
Numbers: single, double & multiple
- alone
- binary
- deca-
- double (up) as sth
- double-action
- double-digit
- dual
- dualism
- duality
- herself
- individual
- mono
- multilateral
- multiple
- none
- odd
- solely
- treble
- unilateral
- unit
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You can also find related words, phrases, and synonyms in the topics:
one number, determiner (ONLY)
B2 used when saying there is no other person or thing:
More examples
- The one thing that's certain is that prices will go up.
- He was the one person to complete the test with no mistakes.
- She's the one person I can trust around here.
- It is the one thing I regret about my time at the company.
- The one thing he's not prepared to compromise is his family's safety.
Thesaurus: synonyms and related words
Numbers: single, double & multiple
- alone
- binary
- deca-
- double (up) as sth
- double-action
- double-digit
- dual
- dualism
- duality
- herself
- individual
- mono
- multilateral
- multiple
- none
- odd
- solely
- treble
- unilateral
- unit
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one number, determiner (UNKNOWN PERSON)
formal used before the name of someone who is not known:
one number, determiner (EMPHASIS)
mainly US used to emphasize an adjective:
Thesaurus: synonyms and related words
Linguistics: very & extreme
- abject
- awful
- badly
- beyond
- classic
- classical
- devastating
- drop dead! idiom
- eminently
- esp
- especially
- heartily
- impossibly
- rather
- sheer
- specially
- supremely
- thoroughly
- whole
- wide
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Idiom(s)
onepronoun
uk/wʌn/us/wʌn/one pronoun (ONE THING/PERSON)
A2 used to refer to a particular thing or person within a group or range of things or people that are possible or available:
to never do something:
to like something very much:
More examples
- That's one classy vehicle you've got there.
- You can always tell a real bow tie from one that clips on.
- She's written five books, and every one a cracker.
- Mrs. Wilson is one of our regular customers.
- I really must get a new jacket - this one's starting to go at the elbows.
Thesaurus: synonyms and related words
Particular and individual
- be the very thing idiom
- certain
- esp
- especially
- head
- individual
- individualism
- individualist
- one-trick pony
- particular
- particularity
- peculiar
- peculiarity
- peculiarly
- personally
- pet
- specific
- specifically
- the UN
- to wit idiom
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You can also find related words, phrases, and synonyms in the topics:
one pronoun (COMPARISON)
used to talk about one person or thing compared with other similar or related people or things:
More examples
- During the night, he had rolled from one side of the bed to the other.
- The two cultures were so utterly disparate that she found it hard to adapt from one to the other.
- If I have to listen to something I don't understand, it just goes in one ear and out the other.
- The two sisters are so similar that it's almost impossible to tell one from the other.
- This film begins where the other one leaves off.
Thesaurus: synonyms and related words
Comparing and contrasting
- against
- analogy
- antithesis
- as against idiom
- balance
- balance sth against sth
- benchmark
- compare
- comparison
- competitive
- contrast
- contrastive
- gold standard
- measure
- perspective
- relative
- relatively
- simile
- stack up
- vis-à-vis
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one pronoun (ANY PERSON)
C1 formal any person, but not a particular person:
More examples
- One's primary responsibility is to the legal system.
- One must not assume from this that the defendant is guilty.
- I wondered whether there might, after all, be some truth in the old chestnut that one's school days are the happiest of one's life.
- Yoga is said to restore one's inner equilibrium.
- Spending time with one's family is never an unalloyed pleasure.
Thesaurus: synonyms and related words
Linguistics: personal pronouns
- 'em
- he
- her
- it
- me
- moi
- number one
- personally
- s
- s/he
- she
- thee
- them
- themself
- thou
- us
- you
- yours
- yours truly idiom
- yous
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one pronoun (I/ME)
formal the person speaking or writing:
Thesaurus: synonyms and related words
Linguistics: personal pronouns
- 'em
- he
- her
- it
- me
- moi
- number one
- personally
- s
- s/he
- she
- thee
- them
- themself
- thou
- us
- you
- yours
- yours truly idiom
- yous
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