Straighten up
verb
To become or make something upright.
After the storm, we had to straighten up the fallen fence.

Often appears as...
- straighten up the room
- straighten up the shelves
verb
To improve your behavior or performance.
The teacher told the student to straighten up or face detention.

Often appears as...
- straighten up your act
- straighten up and fly right
Usage tips
Colloquial
verb
To clean and arrange a place properly.
Can you straighten up the kitchen before the guests arrive?

Often appears as...
- straighten up the house
- straighten up the desk
verb
To become or make something upright.
After the storm, we had to straighten up the fallen fence.

Often appears as...
- straighten up the room
- straighten up the shelves
verb
To improve your behavior or performance.
The teacher told the student to straighten up or face detention.

Often appears as...
- straighten up your act
- straighten up and fly right
Usage tips
Colloquial
verb
To clean and arrange a place properly.
Can you straighten up the kitchen before the guests arrive?

Often appears as...
- straighten up the house
- straighten up the desk
Definition 1 of 3

Physical Action
Emphasizes the act of making something vertical or properly positioned.

Straighten up the stack of books, please.
Personal Posture
Often used as a reminder to improve one's body posture.

You should straighten up your back while sitting.
Physical Action
Emphasizes the act of making something vertical or properly positioned.

Straighten up the stack of books, please.
Personal Posture
Often used as a reminder to improve one's body posture.

You should straighten up your back while sitting.
Physical Action
Emphasizes the act of making something vertical or properly positioned.

Straighten up the stack of books, please.
Personal Posture
Often used as a reminder to improve one's body posture.

You should straighten up your back while sitting.
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