plural of sit-up

plural of sit up

An exercise in which the abdominal muscles are contracted, bringing the torso of a person lying down to a more upright position.

Alternative spelling of sit-up

(intransitive) To assume a sitting position from a position lying down. / (intransitive) To sit erect. / (intransitive) To show sudden interest or surprise.

present participle of sit up

Third-person singular simple present indicative form of sit up

present participle of sit up with

To stay awake past one's usual time in order to care for one or keep one company. / To remain with an individual through the night, especially with an ill or troubled person.

Third-person singular simple present indicative form of sit up with