SkyfireDict

sit up   (TTS Sound)

The noun sit-up has 1 sense

• sit-up -- (a stomach exercise in which a person sits up from a supine position without using the arms for leverage)

The verb sit up has 2 senses

• stay up, sit up -- (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")


• sit up -- (change to an upright sitting position; "He sat up in bed")