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Synonyms

abnormality

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

noun

plural

abnormalities
  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

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.

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

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

Jackson continued her video by explaining she has no intentions to go under the knife to address the abnormality.

From Los Angeles Times • Nov. 11, 2025

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

From "In Cold Blood" by Truman Capote