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Showing results for abnormality. Search instead for mental abnormality.
Synonyms

abnormality

American  
[ab-nawr-mal-i-tee] / ˌæb nɔrˈmæl ɪ ti /

noun

abnormalities plural
  1. an abnormal condition, state, or quality; irregularity; deviation.

    Synonyms:
    idiosyncrasy, oddity, peculiarity, aberration, anomaly
  2. an abnormal thing or event.


abnormality British  
/ ˌæbnɔːˈmælɪtɪ /

noun

  1. an abnormal feature, event, etc

  2. a physical malformation; deformity

  3. deviation from the typical or usual; irregularity

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms

Etymology

Origin of abnormality

First recorded in 1850–55; abnormal + -ity

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

Lajos is born with skin so pale it is almost transparent, and while Mr. Biedermann soon ceases to mention the abnormality, it introduces Lajos’s uncanny lifelong sensation of invisibility.

From The Wall Street Journal Apr. 8, 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

Follow-ups discovered a heart abnormality, with King having surgery on Tuesday to "successfully" treat the issue, said Angel City.

From BBC May 14, 2025

This emotional detachment and blandness in certain areas is other evidence of his mental abnormality.

From "In Cold Blood" by Truman Capote

No immediate abnormalities were recorded at nuclear power plants, the Nuclear Regulation Authority said.

From Barron's Jul. 28, 2026

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 mice developed normally and showed no obvious early abnormalities.

From Science Daily Jun. 21, 2026

The absence of specific results should be seen as confirmation that no clinically meaningful abnormalities were identified, the White House statement said.

From The Wall Street Journal May 31, 2026

In certain diseases and abnormalities studied by these investigators the number differed from the normal.

From "Silent Spring" by Rachel Carson

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