Having the part normally pointed upward pointed downward; inverted.(adjective)
Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)
Use "upside-down" in a sentence
"A Miami judge said to me "I know who you are - you're that woman who thinks she can stop a foreclosure because the notary signed her name upside-down.""
"In the film, their life is turned upside-down when a Coca-Cola bottle is thrown out the window of a light airplane flying over the Kalahari Desert."
"It easily can become a sacred hurricane that turns everything upside-down and inside-out."