abnormality
noun
ab·nor·mal·i·ty
ˌab-nər-ˈma-lə-tē 
-(ˌ)nȯr-
plural abnormalities
1
: something abnormal
2
: the quality or state of being abnormal
Examples of abnormality in a Sentence
The test results showed several genetic abnormalities.
There was some abnormality in his vision.
Recent Examples on the Web
Pathologists will perform a necropsy on the mountain lions to check for abnormalities and neurological diseases like rabies and avian influenza.
—
Marlene Lenthang, NBC news, 2 Jan. 2026
The scan revealed no abnormalities.
—Joey Garrison, USA Today, 2 Jan. 2026
Winter died in November 2021 after battling a gastrointestinal abnormality.
—Colbi Edmonds, The Orlando Sentinel, 1 Jan. 2026
However, at her 20-week checkup, Shelman, 35, and Dederscheck, 38, were told that doctors noticed abnormalities in their baby’s development.
—Vanessa Etienne, PEOPLE, 28 Dec. 2025
See All Example Sentences for abnormality
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Marlene Lenthang, NBC news, 2 Jan. 2026
The scan revealed no abnormalities.
—Joey Garrison, USA Today, 2 Jan. 2026
Winter died in November 2021 after battling a gastrointestinal abnormality.
—Colbi Edmonds, The Orlando Sentinel, 1 Jan. 2026
However, at her 20-week checkup, Shelman, 35, and Dederscheck, 38, were told that doctors noticed abnormalities in their baby’s development.
—Vanessa Etienne, PEOPLE, 28 Dec. 2025
See All Example Sentences for abnormality
Cite this Entry
“Abnormality.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/abnormality. Accessed 6 Jan. 2026.
Copy CitationKids Definition
abnormality
noun
ab·nor·mal·i·ty
ˌab-nər-ˈmal-ət-ē
-(ˌ)nȯr-
plural abnormalities
1
: the state of being abnormal
2
: something abnormal
Medical Definition
abnormality
noun
ab·nor·mal·i·ty
ˌab-nər-ˈmal-ət-ē, -(ˌ)nȯr-
plural abnormalities
1
: the quality or state of being abnormal
2
: something abnormal
brain-wave abnormalities
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