sit up

== English == === Etymology === From Middle English upsitten (“to sit up”). === Verb === sit up (third-person singular simple present sits up, present participle sitting up, simple past and past participle sat up) (intransitive) To assume a sitting position from a position lying down. (intransitive) To sit erect. (intransitive) To show sudden interest or surprise. (chiefly sports, of the ball) To bounce, especially to a comfortable height. To not go to bed (notionally remaining in a sitting position). (India, historical) For a young lady to open her house for several successive nights for any visitors who wish to pay their respects. ==== Derived terms ==== sit-up-and-beg ==== Translations ==== === Noun === sit up (plural sit ups) Alternative spelling of sit-up. === See also === sit down sit up and take notice stand up lie down === Anagrams === puits