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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