One

Being a single unit, or entire being or thing, and no more; not multifold; single; individual.

Denoting a person or thing conceived or spoken of indefinitely; a certain. "I am the sister of one Claudio" [Shak.], that is, of a certain man named Claudio.

Pointing out a contrast, or denoting a particular thing or person different from some other specified; -- used as a correlative adjective, with or without the.

Closely bound together; undivided; united; constituting a whole.

Single in kind; the same; a common.

Single; inmarried.

A single unit; as, one is the base of all numbers.

A symbol representing a unit, as 1, or i.

A single person or thing.

Any person, indefinitely; a person or body; as, what one would have well done, one should do one's self.

To cause to become one; to gather into a single whole; to unite; to assimilite.

the smallest whole number or a numeral representing this number; "he has the one but will need a two and three to go with it"; "they had lunch at one"