sit up

phrasal verb

Pronunciation: /sɪt ʌp/

Definition

Move from a lying position to a position where the back is vertical and the weight is supported by the buttocks.

Examples

• The patient was able to sit up on the edge of the bed with minimal assistance.

• He had to sit up straight to see over the crowd at the concert.

• Please sit up so we can adjust the pillows behind your back.

How to Use sit up

sit up and take notice (idiom)

To become suddenly alert or interested. — "The drastic change in sales made the investors sit up and take notice."

sit up straight (collocation)

To maintain a vertical back posture. — "The teacher reminded the students to sit up straight during the exam."

Synonyms of sit up

Words with a similar meaning to sit up:

• rise
• straighten
• perk up
• erect

Antonyms of sit up

Words with the opposite meaning to sit up:

• lie down

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