malformation
noun
mal·for·ma·tion
ˌmal-fȯr-ˈmā-shən 
-fər-
: irregular, anomalous, abnormal, or faulty formation or structure
Examples of malformation in a Sentence
The condition is marked by malformation of the spine.
She underwent surgery to correct a heart malformation.
Recent Examples on the Web
Drake White had a stroke while performing on stage in 2019 and was later diagnosed with an arteriovenous malformation (AVM), according to his biography on his website.
—
Ryan Brennan, Miami Herald, 9 Sep. 2025
In Mississippi, the leading causes are congenital malformations, preterm birth, low birth weight, and sudden infant death syndrome (SIDS).
—Tabitha St. Bernard-Jacobs, Parents, 8 Sep. 2025
Examples include a Brazilian boy who had his pancreatic malformation disappear in 2013.
—Eduardo Cuevas, USA Today, 6 Sep. 2025
The leading causes of infant mortality in Mississippi are congenital malformations, preterm birth, low birth weight and sudden infant death syndrome (SIDS), according to the state’s news release, in line with CDC data on the top causes nationwide.
—Deidre McPhillips, CNN Money, 22 Aug. 2025
See All Example Sentences for malformation
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Ryan Brennan, Miami Herald, 9 Sep. 2025
In Mississippi, the leading causes are congenital malformations, preterm birth, low birth weight, and sudden infant death syndrome (SIDS).
—Tabitha St. Bernard-Jacobs, Parents, 8 Sep. 2025
Examples include a Brazilian boy who had his pancreatic malformation disappear in 2013.
—Eduardo Cuevas, USA Today, 6 Sep. 2025
The leading causes of infant mortality in Mississippi are congenital malformations, preterm birth, low birth weight and sudden infant death syndrome (SIDS), according to the state’s news release, in line with CDC data on the top causes nationwide.
—Deidre McPhillips, CNN Money, 22 Aug. 2025
See All Example Sentences for malformation
Cite this Entry
“Malformation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/malformation. Accessed 17 Sep. 2025.
Copy CitationKids Definition
malformation
noun
mal·for·ma·tion
ˌmal-fȯr-ˈmā-shən
-fər-
: a misshapen, abnormal, or faulty formation or structure
malformation of the knee joint
Medical Definition
malformation
noun
mal·for·ma·tion
ˌmal-fȯr-ˈmā-shən, -fər-
: irregular, anomalous, abnormal, or faulty formation or structure
congenital malformations
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