What is the meaning of sit up?

verb

  • Not go to bed.
    • usage: "Don't stay up so late-you have to go to work tomorrow"; "We sat up all night to watch the election"
  • Change to an upright sitting position.
    • usage: "He sat up in bed"
WordNet 3.0 © 2006 by Princeton University
10
 
|15 years ago|554 views|share |citing 
APAWordNet. (2010). sit up. Retrieved September 21, 2026, from http://smartdefine.org/sit_up/definitions/1311079
ChicagoWordNet. 2010. "sit up" http://smartdefine.org/sit_up/definitions/1311079 (accessed September 21, 2026).
HarvardWordNet 2010, sit up, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/sit_up/definitions/1311079>.
MLAWordNet. "sit up" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/sit_up/definitions/1311079>