English

Noun

one in a million

1. Something extremely rare or unlikely
   • 1686, Gideon Harvey, The Conclave of Physicians, in Two Parts: Detecting Their Intrigues, Frauds, and Plots..., James Partridge, page 43,

     ... most commonly break outwardly , and not one in a Million inwardly.

   • 1980, Larry Graham, "One in a Million You", One in a Million You, Warner Bros.

     A one in a million, chance of a lifetime ... one in a million you.