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