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
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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 deformation and discoloration are attributed to the excessive heat some bricks experience in the firing process. — Tim Carter, Hartford Courant, 25 Apr. 2026 Those deformation patterns feed into an AI model that identifies which word was articulated. — Omar Kardoudi april 23, New Atlas, 23 Apr. 2026 The European Space Agency is also using Sentinel-1 data to map ground deformation caused by the earthquakes. — Antonio María Delgado, Miami Herald, 29 June 2026 Excessive expansion can increase mechanical pressure inside a battery pack, raising the risk of cracks, deformation, internal short circuits, and temperature spikes. — Neetika Walter, Interesting Engineering, 18 June 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 9 Jul. 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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