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to sit up
[phrase form: sit]
01
to change one's position from a lying position into an upright one
Grammatical Information
Movement verb
Regular
Inseparable
Present tense
sit up
3rd person singular
sits up
Past simple
sat up
Past participle
sat up
Examples
After a long nap on the couch, she suddenly sat up, realizing she had overslept.
02
to stay awake beyond the usual or expected time
Examples
I had to sit up late last night to finish my assignment for school.
03
to help a person to move from a reclined position to a seated one
Examples
The nurse gently sat up the patient in bed to administer the medication.
04
to pay attention or show interest, especially in a particular topic or conversation
Examples
The audience sat up as the guest speaker shared personal anecdotes that captivated everyone's attention.
