deformity

noun

de·​for·​mi·​ty di-ˈfȯr-mə-tē How to pronounce deformity (audio)
dē-
plural deformities
1
: the state of being deformed
2
: imperfection, blemish: such as
a
: a physical blemish or distortion : disfigurement
b
: a moral or aesthetic flaw or defect

Examples of deformity in a Sentence

a disease causing deformity of the spine a primitive culture that cast aside infants born with deformities, allowing them to die of exposure to the elements
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.
However, the council continued to deny any connection between the waste removal and the limb deformities, according to The Guardian. Monica Mercuri, Forbes, 3 Mar. 2025 The article had uncovered four instances of limb deformities, and 19 families ended up signing onto the class action suit. Olivia B. Waxman, TIME, 27 Feb. 2025 Morrison also injured her hip and shoulder, according to Kruse, but the fracture brought on a spinal deformity and chronic pain. Julia Gomez, USA TODAY, 27 Feb. 2025 He wouldn’t be discharged until Christmastime, walked with a limp for months after that, and would struggle with his fresh physical deformities for years. Théoden Janes, Charlotte Observer, 27 Apr. 2025 See All Example Sentences for deformity

Word History

Etymology

Middle English deformite, from Middle French defformeteit, from Latin deformitat-, deformitas, from deformis deformed, from de- + forma

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of deformity was in the 15th century

Browse Nearby Words

Cite this Entry

“Deformity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/deformity. Accessed 22 May. 2025.

Kids Definition

deformity

noun
de·​for·​mi·​ty di-ˈfȯr-mət-ē How to pronounce deformity (audio)
plural deformities
1
: the state of being deformed
2
: a physical blemish or twisting out of a natural shape or condition
3
: a morally disgusting or artistically ugly imperfection

Medical Definition

deformity

noun
de·​for·​mi·​ty di-ˈfȯr-mət-ē How to pronounce deformity (audio)
plural deformities
1
: the state of being deformed
2
: a physical blemish or distortion
deformities caused by thalidomide

More from Merriam-Webster on deformity

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!