Precisely perpendicular, erect in carriage, as in She sat bolt upright in her pew. This expression was used in slightly different form by Chaucer in the late 1300s: “She was ... long as a mast and upright as a bolt” (The Miller's Tale).
Words nearby bolt upright
How to use bolt upright in a sentence
As I tried to get upright, I realized with horror that the blood was my own.I Was Gang Raped at a UVA Frat 30 Years Ago, and No One Did Anything|Liz Seccuro|December 16, 2014|DAILY BEAST
He slept in an upright position in a custom armchair, so the reasons for his lying down to sleep are open to speculation.The True Story of ‘The Elephant Man’|Russell Saunders|November 3, 2014|DAILY BEAST
Like any high-powered attorney who charges $100,000 for a retainer, Bolt always seems to be one step ahead of the competition.Gone Girl’s Biggest Twist Is the Superb Tyler Perry|Alex Suskind|October 6, 2014|DAILY BEAST
They look like evil corn silos or upright storm sewers or a trio of escaped steroidal church organ pipes wearing party hats.Up to a Point: A 'Space Corvette' in Every Garage|P. J. O’Rourke|September 6, 2014|DAILY BEAST
So why not keep all passengers in the ‘upright position’ when they fly?Solution to Seat Rage: No More Reclining|Will Doig|September 4, 2014|DAILY BEAST
In shape it is curved, like those things for candles attached to upright pianos, but with a weighted foot to hold it firm.Music-Study in Germany|Amy Fay
Mrs. Ducksmith, who had sat with overwhelmed head in her hands, started bolt upright, and looked at him like one thunderstruck.The Joyous Adventures of Aristide Pujol|William J. Locke
He had a flashlight gun in his right hand, and a photographer's tripod was propped upright between his knees.
The sick woman had raised herself upright, and was stretching her arms towards them.Oliver Twist, Vol. II (of 3)|Charles Dickens
"Take some melon, Mr. Mudge," said we, as with a sudden bolt we recovered our speech and took another slice ourself.