Question 1

What does "jack up" mean?

Accepted Answer

To lift a vehicle or other heavy object off the ground, especially with a jack.

Question 2

How do you use "jack up" in a sentence?

Accepted Answer

We jacked up the car to change the flat tire.

Question 3

Is "jack up" formal or informal?

Accepted Answer

"jack up" is informal — used mainly in casual conversation. Common in both literal and figurative uses. Often used for cars, prices, rates, and production levels.

jack up

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