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.
In the latest installment of the series, which premiered June 5 on Netflix, Georgia (Brianne Howey) is rocked by the news that her teenage daughter Ginny (Antonia Gentry) is pregnant — a twist that echoes back to her own teenage pregnancy, which turned her life upside down. Julia Moore, People.com, 5 June 2025 Just keep in mind that his whole world has been turned upside down. Lucy Notarantonio, MSNBC Newsweek, 3 June 2025 In Villers-sur-Mer, on France’s Normandy coast, however, the typical scenario has been turned upside down—twice. Katharina Schwarze, Architectural Digest, 3 June 2025 It’s been a long few years for White, who, after a massively successful almost five-year run as the Bills’ top cornerback, had his football world turned upside down. Joe Buscaglia, New York Times, 2 June 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

Browse Nearby Words

Cite this Entry

“Upside down.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/upside%20down. Accessed 10 Jun. 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
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!