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 This deformity, consisting of brown lines and folds at the bottom, blossom end, of a tomato are thought to be caused by adherence of the blossom to the young fruit. Pam Peirce, San Francisco Chronicle, 3 Sep. 2021 The animal’s second head was attributed to a genetic deformity. Michael Hollan, Fox News, 24 Aug. 2021 Nadal has had foot issues for pretty much his entire career due to Muller-Weiss disease, a rare condition that resulted in a deformity in one of the bones in his foot. Dan Wolken, USA TODAY, 20 Aug. 2021 The long-term consequences of not treating these conditions can include pain, joint arthritis, muscle weakness, overloading of the opposite foot and ankle, deformity, inactivity and mental frustration., 5 Aug. 2021 This bunion deformity is painful with shoes and activity., 5 Aug. 2021 Hallux valgus is a small deformity that finds the big toe angled outward with a bony protrusion at its base—a development that makes walking painful. Nora Mcgreevy, Smithsonian Magazine, 14 June 2021 Just 3 percent of the people interred in the poorer, rural graveyard bore signs of bunions; comparatively, a staggering 43 percent of the wealthy individuals buried in an Augustinian friary were hobbled by the deformity. Nora Mcgreevy, Smithsonian Magazine, 14 June 2021 The deformity is often associated with high heels and constrictive footwear, although other factors like genetics play a role. Katie Hunt, CNN, 10 June 2021

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

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Last Updated

7 Sep 2021

Cite this Entry

“Deformity.” Dictionary, Merriam-Webster, Accessed 16 Sep. 2021.

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More Definitions for deformity



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

More from Merriam-Webster on deformity

Nglish: Translation of deformity for Spanish Speakers

Britannica English: Translation of deformity for Arabic Speakers


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