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 makes the material harder and more resistant to deformation. Georgina Jedikovska, Interesting Engineering, 12 Jan. 2026 Though cranial deformations were not unheard of in Mesoamerica, researchers stressed that this type is less common than other types in the region — and unusually combines both tabular erect and tabular superior styles. Andrea Margolis, FOXNews.com, 29 Dec. 2025 Scientists in 2024 confirmed that Earth’s inner core reversed its spin, and in February 2025 the same team revealed changes to the inner core’s shape, with deformations in its shallowest level. Katie Hunt, CNN Money, 29 Dec. 2025 Time-series analysis of shear deformation rates, based on satellite data, also showed a sharp increase during that same winter. Ritsuko Kawai, Wired News, 22 Dec. 2025 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

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Cite this Entry

“Deformation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/deformation. Accessed 14 Jan. 2026.

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