sit up
Speech parts
1. sit up - Noun
2. sit up - Verb
Meaning
not go to bed
change to an upright sitting position
a stomach exercise in which a person sits up from a supine position without using the arms for leverage
Source: WordNetAlternative names
sit-up
Synonyms
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Examples
Don't stay up so late--you have to go to work tomorrow
We sat up all night to watch the election
He sat up in bed
Ahmadu said they lay down for over 30 minutes at different spots even in drainage channels before they asked them to sit up.
Alpha Centauri's graphics are quite good, but they're not going to make anyone sit up and take notice.
Although he never stood again, he was able to sit up and write several times, and his recovery was viewed so positively that a steamer was fitted out as a seagoing hospital to aid with his convalescence.