by a hair
Also, by a hairbreadth or whisker. Very narrowly. For example, His serve was out by a hair, or We made our flight by a hairbreadth, or Dad missed hitting the pole by a whisker. The first two hyperboles for the very narrowest margin date from the 1300s and 1400s respectively; whisker meaning “a small amount” was first recorded in 1913. Also see by the skin of one's teeth; hang by a hair.
Words nearby by a hair
How to use by a hair in a sentence
Cassandra, whose hair has already begun to fall out from her court-mandated chemotherapy, could face a similar outcome.
ROME — What does it take for a Hollywood A-lister to get a private audience with Pope Francis?Pope Francis Has the Pleasure of Meeting Angelina Jolie for a Few Seconds|Barbie Latza Nadeau|January 8, 2015|DAILY BEAST
But his fingers moved through her silky strands of hair, and then down her neck.Powerful Congressman Writes About ‘Fleshy Breasts’|Asawin Suebsaeng|January 7, 2015|DAILY BEAST
Yes, Byrd—dead four-and-a-half years now—was a Kleagle in the Ku Klux Klan.Steve Scalise and the Right’s Ridiculous Racial Blame Game|Michael Tomasky|January 2, 2015|DAILY BEAST
By the time it concluded with a sing-a-long of “XO,” Beyoncé had done the rare thing.Bow Down, Bitches: How Beyoncé Turned an Elevator Brawl Into a Perfect Year|Kevin Fallon|December 31, 2014|DAILY BEAST
I pictured him as slim and young looking, smooth-faced, with golden curly hair, and big brown eyes.The Boarded-Up House|Augusta Huiell Seaman
All along the highways and by-paths of our literature we encounter much that pertains to this "queen of plants."
Now-a-days it is the bankrupt who flouts, and his too confiding creditors who are jeered and laughed at.Glances at Europe|Horace Greeley
He was tall and of familiar figure, and the firelight was playing in the tossed curls of his short, fair hair.The Bondboy|George W. (George Washington) Ogden
His hair was darker—almost brown save at the temples, where age had faded it to an ashen colour.St. Martin's Summer|Rafael Sabatini