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
ˌdē-ˌfȯr-ˈmā-sh(ə-)nəl How to pronounce deformation (audio)
ˌde-fər-
adjective

Synonyms of deformation

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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.
Chanard and her colleagues used high-resolution satellite measurements to track ground deformation and groundwater levels in the Sacramento Valley from 2016 to 2022. — Alula Alderson, Sacbee.com, 2 Aug. 2026 Apply distress to a young brain, and the deformation isn’t just in the education process, but in the neurodevelopment of people’s minds. — Erin Clabough, The Conversation, 31 July 2026 This study builds upon deformation mapping research from 2018 that suggested that, on average, Neanderthals had a smaller cerebellum than early humans did. — Cody Cottier, Scientific American, 20 July 2026 This enables the diaphragm to maintain accurate piston motion, reduce unwanted deformation and suppress residual vibration after the signal stops. — Mark Sparrow, Forbes.com, 10 July 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

Rhymes for deformation

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Browse Nearby Words

deformalize
deformation
deformational
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Cite this Entry

“Deformation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/deformation. Accessed 6 Aug. 2026.

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More from Merriam-Webster on deformation

Nglish: Translation of deformation for Spanish Speakers

Britannica.com: Encyclopedia article about deformation

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