Longman Dictionary of Contemporary English homepage

Date: 1400-1500
Origin: up so down 'up as if down' (14-16 centuries)

upside down

1 adverb
     
upside down1
1 with the top at the bottom and the bottom at the top:
To get the plant out of the pot, turn it upside down and give it a gentle knock.
2

turn something upside down

a) to make a place very untidy when you are looking for something:
The burglars have turned our house upside down.
b) to cause a lot of change and confusion in a situation or in someone's life:
the story of a young girl whose life was turned upside down
3 disorganized or untidy

Dictionary pictures of the day
Do you know what each of these is called?
What is the word for picture 1? What is the word for picture 2? What is the word for picture 3? What is the word for picture 4?
Click on any of the pictures above to find out what it is called.

Explore our topic dictionary