- one
- one [wun]adj.[ME < OE an, akin to Ger ein, Goth ains < IE * oinos (> Gr oinē, L unus, OIr ōen) < * e-, * ei-, prefixed pronominal stem meaning “the, this, this one”]1. being a single thing or unit; not two or more2. characterized by unity; forming a whole; united; undivided [with one accord]3. designating a person or thing as contrasted with or opposed to another or others [from one day to another]4. being uniquely or strikingly the person or thing specified [the one solution to the problem]5. single in kind; the same [all of one mind]6. designating a single, but not clearly specified, person or thing; a certain [one day last week ]: also used as an intensive substitute for the indefinite article [ she's one beautiful girl ]n.1. the number expressing unity or designating a single unit: the lowest cardinal number and the first used in counting a series; 1; I2. a single person or thing3. something numbered one or marked with one pip, as the face of a die or domino☆ 4. Informal a one-dollar billpron.1. some, or a certain, person or thing [one of us must go]2. any person or thing; anybody or anything [when one is exhausted, it is wise to rest ]: sometimes used affectedly in place of a personal pronoun in the first or second person [what else could one do?]3. the person or thing previously mentioned [they rent a house, but I own one]——————all onemaking no difference; of no importance——————at oneof the same opinion; in accord——————one and alleverybody——————one anothereach one the other; each other: see EACH OTHER (at EACH)——————one by oneindividually in succession——————one of those thingssomething that cannot be avoided, helped, changed, etc.
English World dictionary. V. Neufeldt. 2014.