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View synonyms for sit-up

sit-up

[ sit-uhp ]

noun

  1. an exercise in which a person lies flat on the back, lifts the torso to a sitting position, and then lies flat again without changing the position of the legs: formerly done with the legs straight but now usually done with the knees bent.


sit up

verb

  1. to raise (oneself or another) from a recumbent to an upright or alert sitting posture
  2. intr to remain out of bed and awake, esp until a late hour
  3. informal.
    intr to become suddenly interested or alert

    devaluation of the dollar made the money market sit up

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


noun

  1. a physical exercise in which the body is brought into a sitting position from one lying on the back Alsotrunk curl
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word History and Origins

Origin of sit-up1

First recorded in 1835–45; noun use of verb phrase sit up
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Example Sentences

I sat up in recognition when Gov. Walz was being accused of so-called anger and abuse when the opposite was true.

From Salon

Then she sits up with a shrug, completely unharmed, as though this is how she typically navigates the stairs.

From BBC

“He was sitting up on the beach. A huge wave came in, rolled him and pulled him into the ocean,” she wrote.

The 27-year-old was confined to bed all day, unable to chew food and no longer able to sit up - she was severely ill with myalgic encephalomyelitis, or ME, and as a consequence severely malnourished.

From BBC

Before her surgery she spent most of the time on her back, because when she sat up, she struggled for air.

From BBC

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