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

Synonyms

• anomaly
• mutation

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

Barbabella wrote in April that after conducting a comprehensive diagnostic, laboratory testing, consultations with 14 specialty consultants, the president demonstrated no abnormalities aside from minor sun damage, recommending a colonoscopy in 2027. —Naomi Lim, The Washington Examiner, 11 Oct. 2025

CT scans are often used to get detailed internal images to detect injuries, tumors or other abnormalities, according to Cleveland Clinic. —Melissa Rudy, FOXNews.com, 10 Oct. 2025

Upon receipt, our testers unboxed the shoes to inspect the material, style, and workmanship for any abnormalities. —Averi Baudler, PEOPLE, 10 Oct. 2025

So when looking at the heart with a sonogram, a doctor can determine if the heart has the typical blockage that is associated with a heart attack or not, and if the abnormality will return to normal. —Audrey Noble, Vogue, 8 Oct. 2025

Word History

Etymology

abnormal entry 1 + -ity

First Known Use

1847, in the meaning defined at sense 1

Rhymes for abnormality

• cardinality
• commonality
• communality
• cordiality
• corporeality
• criminality
• criticality
• functionality
• generality
• geniality
• hospitality
• illegality

Kids 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