abnormality

noun

ab·​nor·​mal·​i·​ty ˌab-nər-ˈma-lə-tē How to pronounce abnormality (audio)
-(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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The proud mom welcomed Jones, who was born with Down syndrome and a rare congenital colon abnormality, in August 2022. Hannah Sacks, People.com, 2 Sep. 2025 Many neuroimaging studies have also shown structural abnormalities in the brains of people with schizophrenia, but nothing consistent enough across patient populations to become signature features of the disorder. Kristen Rogers, CNN Money, 2 Sep. 2025 Testing, however, soon revealed trisomy 18, a genetic abnormality that is usually fatal, often before birth. Peter Slevin, New Yorker, 1 Sep. 2025 As the condition progresses, George could develop other symptoms like cataracts, deafness, bone or joint abnormalities, cognitive issues and respiratory problems. Madeline Mitchell, USA Today, 27 Aug. 2025 See All Example Sentences for abnormality

Word History

Etymology

abnormal entry 1 + -ity

First Known Use

1847, in the meaning defined at sense 1

Time Traveler
The first known use of abnormality was in 1847

Browse Nearby Words

Cite this Entry

“Abnormality.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/abnormality. Accessed 9 Sep. 2025.

Kids Definition

abnormality

noun
ab·​nor·​mal·​i·​ty ˌab-nər-ˈmal-ət-ē How to pronounce abnormality (audio)
-(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- How to pronounce abnormality (audio)
plural abnormalities
1
: the quality or state of being abnormal
2
: something abnormal
brain-wave abnormalities

More from Merriam-Webster on abnormality

Last Updated: - Updated example sentences
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