1. the smallest whole number or a numeral representing this number; - Example: "he has the one but will need a two and three to go with it" - Example: "they had lunch at one" [syn: one, 1, I, ace, single, unity]
2. a single person or thing; - Example: "he is the best one" - Example: "this is the one I ordered"
ADJECTIVE (7)
1. used of a single unit or thing; not two or more; - Example: "`ane' is Scottish"; [syn: one, 1, i, ane]
2. having the indivisible character of a unit; - Example: "a unitary action" - Example: "spoke with one voice" [syn: one(a), unitary]
3. of the same kind or quality; - Example: "two animals of one species"
4. used informally as an intensifier; - Example: "that is one fine dog"
5. indefinite in time or position; - Example: "he will come one day" - Example: "one place or another"
6. being a single entity made by combining separate components; - Example: "three chemicals combining into one solution"
7. eminent beyond or above comparison; - Example: "matchless beauty" - Example: "the team's nonpareil center fielder" - Example: "she's one girl in a million" - Example: "the one and only Muhammad Ali" - Example: "a peerless scholar" - Example: "infamy unmatched in the Western world" - Example: "wrote with unmatchable clarity" - Example: "unrivaled mastery of her art" [syn: matchless, nonpareil, one(a), one and only(a), peerless, unmatched, unmatchable, unrivaled, unrivalled]