deformation

noun

de·​for·​ma·​tion ˌdē-ˌfȯr-ˈmā-shən How to pronounce deformation (audio) ˌde-fər- How to pronounce deformation (audio)
Synonyms of deformationnext
1
: alteration of form or shape
also : the product of such alteration
2
: the action of deforming : the state of being deformed
3
: change for the worse
deformational adjective

Examples of deformation in a Sentence

the catastrophic deformation of the steel girders under the enormous weight of the bridge
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.
This could allow for greater design flexibility, as lower curing deformation results in fewer distortions during production. Chris Young, Interesting Engineering, 3 Apr. 2026 Among Trump’s most consequential legacies has been his deformation of the temperament and disposition of virtually the entire Republican Party. Peter Wehner, The Atlantic, 23 Mar. 2026 Additionally, the screen uses auto-smoothing flex glass, which is resistant to deformation and better able to recover its original shape. Eric Zeman, PC Magazine, 17 Mar. 2026 The firm assessed performance metrics such as force reduction, vertical deformation, ball rebound, surface friction, flatness and surface temperature—but only in the context of non-game use. Daniel Libit, Sportico.com, 17 Mar. 2026 See All Example Sentences for deformation

Word History

First Known Use

1551, in the meaning defined at sense 3

Time Traveler
The first known use of deformation was in 1551

Browse Nearby Words

Cite this Entry

“Deformation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/deformation. Accessed 5 Apr. 2026.

More from Merriam-Webster on deformation

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