bolt upright


Also found in: Dictionary, Thesaurus, Medical, Financial, Encyclopedia, Wikipedia.
Related to bolt upright: at least, fall through, touch base
Like this video? Subscribe to our free daily email and get a new idiom video every day!

bolt upright

1. verb To suddenly sit or stand up from a reclining position. I bolted upright in bed when the phone rang in the middle of the night. I was taking a nap when the sound of the fire alarm made me bolt upright. You have to be very quiet, OK? My daughter's sleeping now, but she will bolt upright at the slightest noise.
2. adjective Very erect in posture. The teacher instructed us to be bolt upright on the stage during the assembly. Come on, I can't accurately measure your height if you don't stand bolt upright! A: "Ever since his back injury, it's hard for Grandpa to be bolt upright." B: "Oh, is that why he's hunched over most of the time?"
See also: bolt, upright
Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.

bolt upright

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).
See also: bolt, upright
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

bolt ˈupright

with your back very straight in an upright position: The noise woke her suddenly and she sat bolt upright in bed.
See also: bolt, upright
Farlex Partner Idioms Dictionary © Farlex 2017

bolt upright

In a rigidly vertical position: sat bolt upright.
See also: bolt, upright
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
See also:
References in periodicals archive ?
It was sitting in the water bolt upright, and was obviously both scared and confused, not to mention cold.
Bursting into the lounge, our friend was sitting bolt upright on the sofa bed, amazed that I couldn't see the "sabre-toothed tiger licking his ears."
As he deteriorated a senior doctor prescribed him two antibiotics, but his sister Roxane Walczak-Doughty said when a nurse began injecting the first, amoxicillin, he sat bolt upright and began gasping like a goldfish and vomited.
We'll all probably be waking up bolt upright between 1am and 6am now that our pounds 6billion deficit is to be cut by George Osborne (a man with no economic or business experience) and a man whose last job outside parliament was PR for the Cairngorms National Park.
And I woke up at three in the morning, bolt upright, looked into the corner of the room and thought I saw Trudie standing there with a child - our child - in her arms, staring at me.
"Within moments of the injection, Mrs Leighton jerked forward and sat bolt upright in her bed.
Jacking ourselves up on heels make our calves and shins tensed and elongated as your posture is kept bolt upright.
As he was filling out the paperwork Maria sat bolt upright and asked when the Germans' next match was on.
Malcolm got up out of his wheelchair, sat up bolt upright and walked around.
"When I tell this story in Hollywood, agents and film executives sit bolt upright, eyes wide open."
Suddenly he sits bolt upright, the sheet falling to one side to reveal a tortured face.
THE Mayor of Liverpool's intention to explore a bid to host the Commonwealth Games in 2026 should make anyone who wants to see the celebration of sport come to Wales sit bolt upright.
I bet she sits there, bolt upright, the whole way, so she can look just as immaculate and unruffled as she did when she got on.