EnglishMain Dictionary
upside down
Universal Words
adverb
in or into a position in which the top of sth is where the bottom is normally found and the bottom is where the top is normally found:
The canoe floated upside down on the lake. * Turn the cake upside down and cover it with cream.
OPPRIGHTSIDEUP
upside down adjective [notusuallybeforenoun]:
The painting looks like it's upside down to me.
IDIOMS
turn sth upside down
1 to make a place untidy when looking for sth:
The police turned the whole house upside down looking for clues.
2 to cause large changes and confusion in a person's life:
His sudden death turned her world upside down.