irregularity
Americannoun
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the quality or state of being irregular.
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something irregular.
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a breach of rules, customs, etiquette, morality, etc.
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occasional mild constipation.
noun
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the state or quality of being irregular
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something irregular, such as a bump in a smooth surface
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a breach of a convention or normal procedure
Other Word Forms
Noun Inflected Forms
Etymology
Origin of irregularity
1275–1325; Middle English irregularite < Old French < Medieval Latin irrēgulāritās. See ir- 2, regularity ( def. )
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:
"The examination of the documents confirmed doubts about the irregularity of the flag being flown," the prefecture said.
From Barron's ● Jun. 1, 2026
These have a remarkable decisiveness, an absolute authority and control, free of wobbling or any irregularity.
From The Wall Street Journal ● May 27, 2026
“Always see your dermatologist if you see an irregularity that’s not going away. Don’t wait. And protect yourself — I like an SPF of 50 or greater and apply it 15 minutes before going outside.”
From Los Angeles Times ● Aug. 31, 2025
The irregularity is almost undoubtedly a result of Sodroski’s script, which is, in no uncertain terms, a mess.
From Salon ● Mar. 27, 2025
Once I had the record of the case, I could put together an appeal, usually based on some judicial irregularity such as bias, incorrect procedure, or insufficient evidence.
From "Long Walk to Freedom" by Nelson Mandela
The letter states that the irregularities detected indicate “non-compliance with the drivers testing criteria required by the California Vehicle Code” and that, as a result, the license was issued in error.
From Los Angeles Times ● Jul. 7, 2026
Mr. Petro immediately raised doubts about the outcome, citing unspecified irregularities.
From The Wall Street Journal ● Jun. 22, 2026
In 2024, the same medical test was hit by allegations of paper leaks, fraud and irregularities in the awarding of grace marks, triggering nationwide protests after thousands of candidates received unusually high scores.
From BBC ● Jun. 21, 2026
Indian police tightened security in New Delhi on Saturday ahead of a protest by the satirical "Cockroach People's Party", over alleged irregularities in major examinations.
From Barron's ● Jun. 6, 2026
Instead, he concluded, irregularities in the magnetic field were driving the proton beam out of resonance.
From "Big Science" by Michael Hiltzik
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.
