until
/ənˈtɪl/
conjunction
- Up to the time when something happens.
- We played outside until it got dark.
- She practiced the piano until she could play the song perfectly.
- Keep stirring the sauce until it thickens.
- Used to show that something does not happen before a particular time or event.
- Don't open the door until the bell rings twice.
- The baby didn't fall asleep until her mother sang a lullaby.
- I won't leave until you apologize.
preposition
- Up to the time that something happens or a situation ends.
- Please stay here until I come back.
- She waited until the rain stopped before going outside.
- The store is open until 9 PM on weekdays.
- Used to emphasize that something continues up to a particular point in time, often with a negative or limit.
- I never knew about the surprise until my birthday.
- The results won't be announced until next week.
- He didn't finish his homework until midnight.