de·​for·​mi·​ty | \ di-ˈfȯr-mə-tē How to pronounce deformity (audio) , dē- \
plural deformities

Definition of deformity

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

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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 Harlequin bugs feed heavily on all members of the cabbage family, causing light splotches, shriveling and deformity to foliage. Howard Garrett, Dallas News, "Pretty harlequin bug is the foe that is actually a gardener’s friend," 18 May 2020 Villagers roll up their sleeves to show deformities caused by ingesting food contaminated by heavy metals. Washington Post, "Chinese metal mines feed the global demand for gadgets. They’re also poisoning China’s poorest regions.," 29 Dec. 2019 The two met through the Mia Foundation, a rescue organization in Rochester, New York, that rehabilitates animals with birth defects and physical deformities. Scottie Andrew, CNN, "A pigeon that can't fly befriended a puppy that can't walk. Yes, it's as cute as it sounds," 18 Feb. 2020 For example, patients who have chest wall deformities may not be good candidates for minimally invasive surgery because there might not be enough space in the chest cavity to maneuver the instruments. Mayo Clinic News Network,, "Mitral valve repair with minimally invasive heart surgery," 6 Dec. 2019 Although Trevor-Roper did not know it at the time, Peters had been born with a skeletal deformity that had forced him into a metal frame during his formative years. New York Times, "How a Fake Priest Duped Oxford and a World-Famous Historian," 14 Feb. 2020 There isn't a specific treatment for the condition, but CCD can be managed with dental work and surgeries to correct any bone deformities. NBC News, "'Stranger Things' star Gaten Matarazzo says surgery to remove extra teeth was a success," 1 Feb. 2020 Paleontologists have discovered fossils of 300-million-year-old amphibians with limb deformities typically created by imperfect regeneration. Amber Dance, Smithsonian Magazine, "Some Salamanders Can Regrow Lost Body Parts. Could Humans One Day Do the Same?," 31 Jan. 2020 He was born with facial deformities, but DuPont never accepted responsibility — even though its own tests had showed the same birth defects in mice exposed to C8. Lisa Rosen, Los Angeles Times, "Some of those extras in ‘Dark Waters’ have real-life ties to the film’s story," 1 Jan. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'deformity.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of deformity

15th century, in the meaning defined at sense 1

History and Etymology for deformity

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

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Time Traveler for deformity

Time Traveler

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

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Statistics for deformity

Last Updated

4 Jun 2020

Cite this Entry

“Deformity.” Dictionary, Merriam-Webster, Accessed 4 Jul. 2020.

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More Definitions for deformity


How to pronounce deformity (audio)

English Language Learners Definition of deformity

: a condition in which part of the body does not have the normal or expected shape


de·​for·​mi·​ty | \ di-ˈfȯr-mə-tē How to pronounce deformity (audio) \
plural deformities

Kids Definition of deformity

1 : the condition of having a physical flaw
2 : a flaw in something and especially in the body of a person or animal


de·​for·​mi·​ty | \ di-ˈfȯr-mət-ē How to pronounce deformity (audio) \
plural deformities

Medical Definition of deformity

1 : the state of being deformed
2 : a physical blemish or distortion deformities caused by thalidomide

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