sit up
intransitive verb Date: 13th century 1. a. to rise from a lying to a sitting position b. to sit with the back erect 2. to show interest, alertness, or surprise <
sit up and take notice
>
3. to stay up after the usual time for going to bed <
sat up late to watch the movie
>

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • sit up — {v.} 1. To move into a sitting position. * /Joe sat up when he heard the knock on his bedroom door./ 2. To stay awake instead of going to bed. * /Mrs. Jones will sit up until both of her daughters get home from the dance./ * /We sat up until two… …   Dictionary of American idioms

  • sit up — {v.} 1. To move into a sitting position. * /Joe sat up when he heard the knock on his bedroom door./ 2. To stay awake instead of going to bed. * /Mrs. Jones will sit up until both of her daughters get home from the dance./ * /We sat up until two… …   Dictionary of American idioms

  • Sit-up — 〈[ ʌ̣p] n. 15; meist Pl.〉 Turnübung, bei der die Beine auf dem Boden liegen bleiben u. der Oberkörper in die Senkrechte aufgerichtet wird [<engl. sit „sitzen“ + up „oben, hinauf“] * * * Sit up, Sit|up [ sɪtʌp ], der; s, s [engl. sit up, zu: to …   Universal-Lexikon

  • sit-up — BrE sit|up AmE [ˈsıtʌp] n an exercise to make your stomach muscles strong in which you sit up from a lying position, while keeping your feet on the floor →↑crunch ▪ Jerry says he does two hundred sit ups a day …   Dictionary of contemporary English

  • sit-up — ☆ sit up or situp [sit′up΄ ] n. an exercise in which a person lying flat on the back rises to a sitting position without using the hands: sit ups are usually done in series …   English World dictionary

  • sit-up — /sit up /, n. an exercise in which a person lies flat on the back, lifts the torso to a sitting position, and then lies flat again without changing the position of the legs: formerly done with the legs straight but now usually done with the knees …   Universalium

  • sit up — ► sit up refrain from going to bed until later than usual. Main Entry: ↑sit …   English terms dictionary

  • sit-up — ► NOUN ▪ a physical exercise designed to strengthen the abdominal muscles, in which a person sits up from a supine position without using the arms for leverage …   English terms dictionary

  • sit-up — noun count an exercise in which you lie on your back with your knees bent and raise your upper body then lie back down …   Usage of the words and phrases in modern English

  • sit-up — kind of physical exercise, 1955 …   Etymology dictionary

  • sit-up — sit′ up n. med spo an exercise in which a person lies flat on the back, lifts the torso to a sitting position, and then lies flat again without changing the position of the legs: formerly done with the legs straight but now usu. done with the… …   From formal English to slang

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