sit up

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sit up ‎(plural sit ups)

  1. Alternative spelling of sit-up; alternative spelling of situp


sit up ‎(third-person singular simple present sits up, present participle sitting up, simple past and past participle sat up)

  1. (intransitive) To assume a sitting position from a position lying down.
    Despite being sick, Lorin sat up to greet the visitors.
    • 1900, L. Frank Baum, The Wonderful Wizard of Oz
      She was awakened by a shock, so sudden and severe that if Dorothy had not been lying on the soft bed she might have been hurt. As it was, the jar made her catch her breath and wonder what had happened; and Toto put his cold little nose into her face and whined dismally. Dorothy sat up and noticed that the house was not moving; nor was it dark, for the bright sunshine came in at the window, flooding the little room. She sprang from her bed and with Toto at her heels ran and opened the door.
  2. (intransitive) To sit erect.
    Sit up straight, mister!
  3. (intransitive) To show interest or surprise.
    He sat up when we mentioned the increased pay package.
  4. To rise.
    • 2011 January 29, Ian Hughes, “Southampton 1 - 2 Man Utd”, BBC:
      And within five minutes of the change United were level. Gabriel Obertan tuned his marker inside out and delivered a cross from the right that hit Hernandez and sat up perfectly for Owen to nod home.


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