one in a million
Also, one in a thousand or billion. Extraordinary, rare, as in She's the kindest soul—she's one in a million, or This ring is one in a thousand. All these terms are hyperbolic.
WHO SAID IT: A QUIZ ON PRESIDENTIAL WIT AND WISDOM
Words nearby one in a million
Example sentences from the Web for one in a million
The one-in-a-million chance is exactly that—a small but real chance, as any lotto winner will tell you.All These AIDS ‘Cures’ Are a Fantasy—One That Can Cause Real Harm|Kent Sepkowitz|November 6, 2014|DAILY BEAST
And as for that one-in-a-million movie star, maybe he really was human in the end.
Yes, one-in-a-million chances had been pulled off by the Time Agents.Key Out of Time|Andre Alice Norton