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.