upside down

adverb

up·​side down ˈəp-ˌsīd-ˈdau̇n How to pronounce upside down (audio)
1
: in such a way that the upper and the lower parts are reversed in position
2
: in or into great disorder
turned their world upside down
upside-down adjective

Examples of upside down in a Sentence

You hung the picture upside down! To remove the plant, turn the pot upside down and tap gently on the bottom to loosen it. The baby was holding the book upside down.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Investigators are looking into what caused a Delta plane to flip upside down on landing. Rebecca Morin, USA TODAY, 19 Feb. 2025 On Monday, at least 18 people were injured after a Delta Air Lines passenger jet from Minneapolis made a crash landing at Toronto Pearson International Airport, flipping upside down on the tarmac. Nik Popli, TIME, 18 Feb. 2025 In the video -- obtained exclusively by ABC News -- passengers can be seen hanging upside down in the cabin, being held into their seats dangling only by their seatbelts. Jon Haworth, ABC News, 18 Feb. 2025 When Preece's car touched the track again, it was flipped upside down, still traveling at a high rate of speed before ultimately getting back to normal and slamming into the wall. Scott Thompson, Fox News, 17 Feb. 2025 See all Example Sentences for upside down 

Word History

Etymology

alteration of Middle English up so doun, from up + so + doun down

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of upside down was in the 15th century

Dictionary Entries Near upside down

Cite this Entry

“Upside down.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/upside%20down. Accessed 21 Feb. 2025.

Kids Definition

upside down

adverb
up·​side down ˌəp-ˌsīd-ˈdau̇n How to pronounce upside down (audio)
1
: with the upper part underneath and the lower part on top
2
: in or into great disorder
upside-down adjective

Legal Definition

upside down

adjective
: underwater
upside down mortgages
upside down homes
upside down homeowners

More from Merriam-Webster on upside down

Last Updated: - Updated example sentences
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