Hair's-breadth in a sentence as a noun

Everyone knows that it's prestigious to be a concert violinist, millions of people want to, everyone plays the same audition pieces; you win if you're a hair's-breadth better than a million people doing the same thing.

Hair's-breadth definitions

noun

a very small distance or space; "they escaped by a hair's-breadth"; "they lost the election by a whisker"

See also: hairsbreadth hair whisker