Synonyms of sit up
- 1. sit-up, stomach exercise, tummy crunch
- usage: a stomach exercise in which a person sits up from a supine position without using the arms for leverage
- 1. stay up, sit up, wake
- usage: not go to bed; "Don't stay up so late--you have to go to work tomorrow"; "We sat up all night to watch the election"
- 2. sit up, change posture
- usage: change to an upright sitting position; "He sat up in bed"
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