How to Use jackknife in a Sentence

jackknife

1 of 2 noun
  • Police found Flick’s 3 ½ inch jackknife in the living room.
    Wendy Grossman Kantor, PEOPLE.com, 19 July 2019
  • The final three moves are core crushers: the jackknife, boat pose hold, and push-up to opposite toe tap.
    Christa Sgobba, SELF, 29 Apr. 2021
  • In a jackknife the trailer comes all the way around, takes both lanes, and crushes against the cab until the whole thing comes to a crashing stop at the bottom of the abyss or against the granite side of the Rockies.
    Longreads, 21 Sep. 2017
  • Nissan says the SUVs have jackknife folding keys that may not stay fully open.
    BostonGlobe.com, 28 Feb. 2023
  • In his video, Kirsch walks viewers through hanging knee raises, a medicine ball spiderman, jackknives, and a medicine ball slam.
    SELF, 26 Oct. 2018
  • One photograph captured the image of a towheaded boy of about 3, stripping bark off a stick with a jackknife.
    Alice Gregory, New York Times, 18 May 2017
  • The fourth vehicle then ran into a semi-truck, which caused the semi to jackknife and slam into the center median.
    Dallas News, 23 Aug. 2019
  • The driver, a 41-year-old man from Mexico, lost control of the semi-truck in the rainy conditions, which caused the vehicle to jackknife and collide with the right shoulder wall, said Castro.
    City News Service, San Diego Union-Tribune, 24 Dec. 2021
  • Not having to worry much about containment, his signature inside jackknife move took Cousins off his spots.
    Ellis L. Williams, cleveland, 3 Oct. 2021
  • Meanwhile, deadbugs, jackknives, ab-wheel rollouts, and boat pose variations will hit both portions.
    K. Aleisha Fetters, SELF, 4 July 2017
  • No weapon was found on Napier, although investigators discovered a jackknife and an ice pick-type tool stuck into the wall of the garage, not far from where Napier was first confronted.
    Jeff McDonald, sandiegouniontribune.com, 27 July 2017
  • All new power ottomans and jackknife seats will complement two-tone high-end cabinetry, and plush diamond-stiched seating.
    Megan Barber, Curbed, 5 Oct. 2018
  • Although, his jackknife-cannonball form could also use some polishing as well.
    Chris Kwiecinski, ajc, 30 Sep. 2017
  • In one of his average workout classes, Curtis Adams will lead his group through a series of exercises, including jogging, jackknives and cardio boxing.
    Olivia Lloyd, chicagotribune.com, 19 Sep. 2019
  • Police found Flick’s 3 ½ inch jackknife in the living room.
    Wendy Grossman Kantor, PEOPLE.com, 19 July 2019
  • The final three moves are core crushers: the jackknife, boat pose hold, and push-up to opposite toe tap.
    Christa Sgobba, SELF, 29 Apr. 2021
  • In a jackknife the trailer comes all the way around, takes both lanes, and crushes against the cab until the whole thing comes to a crashing stop at the bottom of the abyss or against the granite side of the Rockies.
    Longreads, 21 Sep. 2017
  • Nissan says the SUVs have jackknife folding keys that may not stay fully open.
    BostonGlobe.com, 28 Feb. 2023
  • In his video, Kirsch walks viewers through hanging knee raises, a medicine ball spiderman, jackknives, and a medicine ball slam.
    SELF, 26 Oct. 2018
  • One photograph captured the image of a towheaded boy of about 3, stripping bark off a stick with a jackknife.
    Alice Gregory, New York Times, 18 May 2017
  • The fourth vehicle then ran into a semi-truck, which caused the semi to jackknife and slam into the center median.
    Dallas News, 23 Aug. 2019
  • The driver, a 41-year-old man from Mexico, lost control of the semi-truck in the rainy conditions, which caused the vehicle to jackknife and collide with the right shoulder wall, said Castro.
    City News Service, San Diego Union-Tribune, 24 Dec. 2021
  • Not having to worry much about containment, his signature inside jackknife move took Cousins off his spots.
    Ellis L. Williams, cleveland, 3 Oct. 2021
  • Meanwhile, deadbugs, jackknives, ab-wheel rollouts, and boat pose variations will hit both portions.
    K. Aleisha Fetters, SELF, 4 July 2017
  • No weapon was found on Napier, although investigators discovered a jackknife and an ice pick-type tool stuck into the wall of the garage, not far from where Napier was first confronted.
    Jeff McDonald, sandiegouniontribune.com, 27 July 2017
  • All new power ottomans and jackknife seats will complement two-tone high-end cabinetry, and plush diamond-stiched seating.
    Megan Barber, Curbed, 5 Oct. 2018
  • Although, his jackknife-cannonball form could also use some polishing as well.
    Chris Kwiecinski, ajc, 30 Sep. 2017
  • In one of his average workout classes, Curtis Adams will lead his group through a series of exercises, including jogging, jackknives and cardio boxing.
    Olivia Lloyd, chicagotribune.com, 19 Sep. 2019
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jackknife

2 of 2 verb
  • The truck jackknifed on the icy road.
  • The truck subsequently jackknifed and slid across all lanes of traffic, leading to the shutdown of the westbound side for a full eight hours.
    Carol Cormaci, latimes.com, 9 Apr. 2018
  • Swiveling, jackknifing, raising her arms, and then crumpling over, Dunst has as much intensity as a Martha Graham dancer.
    Amy Larocca, The Cut, 8 Aug. 2017
  • Oftentimes, jackknifing is a result of improper braking, poor road conditions or equipment failure.
    Kimberly Rapanut, azcentral, 11 June 2018
  • On Twitter, State Police said tractor-trailers were jackknifed at various locations in central Massachusetts.
    Laney Ruckstuhl and Elise Takahama, BostonGlobe.com, 13 Mar. 2018
  • The truck jackknifed on the icy road.
  • The truck subsequently jackknifed and slid across all lanes of traffic, leading to the shutdown of the westbound side for a full eight hours.
    Carol Cormaci, latimes.com, 9 Apr. 2018
  • Swiveling, jackknifing, raising her arms, and then crumpling over, Dunst has as much intensity as a Martha Graham dancer.
    Amy Larocca, The Cut, 8 Aug. 2017
  • Oftentimes, jackknifing is a result of improper braking, poor road conditions or equipment failure.
    Kimberly Rapanut, azcentral, 11 June 2018
  • On Twitter, State Police said tractor-trailers were jackknifed at various locations in central Massachusetts.
    Laney Ruckstuhl and Elise Takahama, BostonGlobe.com, 13 Mar. 2018

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'jackknife.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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