abnormality
Americannoun
-
an abnormal condition, state, or quality; irregularity; deviation.
- Synonyms:
- idiosyncrasy, oddity, peculiarity, aberration, anomaly
-
an abnormal thing or event.
noun
-
an abnormal feature, event, etc
-
a physical malformation; deformity
-
deviation from the typical or usual; irregularity
Other Word Forms
Noun Inflected Forms
Etymology
Origin of abnormality
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
Taken together, the researchers say these findings suggest that this metabolic abnormality may actively contribute to Alzheimer's disease rather than simply occur as a consequence of it.
From Science Daily ● Jun. 10, 2026
It will facilitate the development of bespoke therapies that target a specific problem, such as a genetic abnormality, that causes severely debilitating or life-threatening diseases.
From The Wall Street Journal ● Feb. 23, 2026
“There is an abnormality with this trial and how the competitor product has done, it’s neither in their label or their own trials.”
From MarketWatch ● Feb. 23, 2026
Schlossberg's subtype of leukaemia - a chromosomal abnormality formerly called Inversion 3 - is even rarer, affecting only 1% to 2% of people with acute myeloid leukaemia.
From BBC ● Nov. 24, 2025
The natural culprit was an abnormality in the gene for hemoglobin—the protein that carries oxygen and is present abundantly in red cells.
From "The Gene" by Siddhartha Mukherjee
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Last month, the DMV sent letters to around 11,000 drivers who had passed the written test informing them that abnormalities were detected in their results.
From Los Angeles Times ● Jul. 15, 2026
The indictment cites one student athlete whose test Finkelstein signed off as normal, despite indications of potential heart abnormalities.
From The Wall Street Journal ● Jun. 25, 2026
The condition can lead to fractures, chronic pain, and skeletal abnormalities.
From Science Daily ● May 12, 2026
They added that the crew had passed pre-flight health checks, and that there were "no abnormalities" observed in radio communications and air traffic control before the incident.
From Barron's ● May 8, 2026
In 2006, some seven hundred new mothers found out that doctors had taken their placentas without consent to test for abnormalities that might help the hospital defend itself against future lawsuits over birth defects.
From "The Immortal Life of Henrietta Lacks" by Rebecca Skloot
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.