One | Mean of one in English Dictionary

/ˈwʌn/

• Noun
• the number 1
1. one, two, three, four, …
• a one-dollar bill
1. I don't have any ones. Can you break a five?
• one o'clock
1. I'll be there at one.

• the first in a set or series
1. On day one of his diet, he cut out sweets.
2. She wears a size one.
• at the same time
1. They rose as one and cheered her.
• in agreement with each other
1. We are as one on this issue.
• in a peaceful state as a part of something else
1. I feel at one with nature. [=I feel very closely connected to nature]
• in a state of agreement with another person
1. I am at one with you on this issue.
• as an example
1. I, for one, disagree. [=I disagree]
2. There were many spelling mistakes in the essay. “There” for “their,” for one.
• combined in a single thing
1. a dictionary and thesaurus (all) in one
2. a DVD and VCR player in one
• that person or thing
1. “I'll have an iced tea, please.” “I'll have one, too.”
2. Their dog died, but they plan to get another one.
3. “You should wear the blue one.” “The one with the stripes?” “No, the other one.”
4. I'd like to see the ring next to that one.
5. Which one did you like better?
6. He is the one who called the police.
7. Have you heard the one about [=the joke about] the priest and the rabbi?
8. That's one possible answer—but not the only one.
9. He had one too many at the bar last night. [=he had too many alcoholic drinks at the bar]
10. The ones on the team who are most successful practice every day.
11. Those batteries are the ones that still work.
• someone or something that is a part of a particular group
1. I met one of your friends at the party.
2. She is one of the best players on the team.
3. One of the puppies has a brown patch around its eye.
4. He'll come back one of these days. [=someday]
5. Don't worry—he's one of us. [=he is part of our group and can be trusted]
• people in general
1. One never knows [=(more commonly) you never know] what the weather will be.
2. It is now possible to buy just about anything from the privacy of one's [=(more commonly) your] own home.
• I or we
1. I would like to read more, but one doesn't have the time.
• separately in a series
1. The performers took the stage one by one.
• having the value of 1
1. There is one minute left in the game.
2. I have a few one-dollar bills in my purse.
3. She is one year old.
• not known exactly
1. I'll see you again one day soon.
2. He'll come back one day.
3. At one time or another/other, the building was a school.
• in agreement with each other
1. You and I are one on this issue.