Phrasal Verbsphrasal verbjump to other results
sit upphrasal verb
- 1to be or move yourself into a sitting position, rather than lying down or leaning back Do you feel well enough to sit up yet? Sit up straight—don't slouch.
- 2to not go to bed until later than usual We sat up half the night, talking.
to start to pay careful attention to what is happening, being said, etc. The proposal had made his clients sit up and take notice.jump to other results
sit up (and do something)(informal)
to move someone into a sitting position after they have been lying downjump to other results