inside out

adverb

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.
Remember that fear, in essence, is just faith turned inside out and an inner belief in things going wrong. Mark Travers, Forbes.com, 22 July 2025 The footage shows the dog standing in the bedroom doorway, its ears flipped inside out, looking both confused and grumpy. Lucy Notarantonio, MSNBC Newsweek, 16 July 2025 For new items, turn the garment inside out and wash it separately to avoid any color transfer. Karen Brewer Grossman, Southern Living, 11 July 2025 This requires putting the customer at the heart of proactive growth strategies and embedding a culture of service, ensuring that colleagues all across your business know the customer inside out. Jo Causon, Forbes.com, 8 July 2025 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 2 Aug. 2025.

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

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!