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.
Crystals are materials whose particles form repeating patterns that resist deformation, commonly seen in nature as snowflakes, diamonds, or table salt. Jijo Malayil, Interesting Engineering, 29 Jan. 2026 Right now, the deformation zone looks to be just south of our region, setting up along and just south of I-68. Ron Smiley, CBS News, 21 Jan. 2026 Rain that gets through cracks in the pavement softens the soil beneath, causing more deformation under traffic loading and leading to more cracking, according to Jonathan Stewart, professor of civil and environmental engineering at the UCLA Samueli School of Engineering. Alex Wigglesworth, Los Angeles Times, 14 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 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 4 Feb. 2026.

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