inside out

adverb

Synonyms of inside outnext
1
: in such a manner that the inner surface becomes the outer
turned the shirt inside out
2
: to a thorough degree
knows the subject inside out
3
: in or into a state of disarray often involving drastic reorganization
turned the business inside out

Examples of inside out in a Sentence

after 20 years of employment there, he has come to know the company inside out
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.
The concierge knows Oslo inside out, and can direct you to the latest art-studio spaces. Condé Nast, Condé Nast Traveler, 2 June 2026 In team meetings, when discussing customers, the managers who used to know their accounts inside out couldn't recall details from recent conversations. Daria Rudnik, Forbes.com, 26 May 2026 In the first 70 seconds, Mitch Marner turned defenseman Jackson LaCombe and goalie Lukáš Dostál inside out with the highlight goal of the playoffs, and the Ducks never recovered. Eric Stephens, New York Times, 15 May 2026 Her approach focuses on turning the duvet cover inside out, aligning it with the insert at the top corners, and securing it before flipping everything right side out. ABC News, 30 Apr. 2026 See All Example Sentences for inside out

Word History

First Known Use

circa 1600, in the meaning defined at sense 1

Time Traveler
The first known use of inside out was circa 1600

Browse Nearby Words

Cite this Entry

“Inside out.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/inside%20out. Accessed 3 Jun. 2026.

Kids Definition

inside out

adverb
1
: in such a way that the inner surface becomes the outer
2
: to a thorough degree
knows the family history inside out

More from Merriam-Webster on inside out

Love words? Need even more definitions?

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

More from Merriam-Webster