irregularity

noun

ir·​reg·​u·​lar·​i·​ty i-ˌre-gyə-ˈler-ə-tē How to pronounce irregularity (audio)
ˌi(r)-
-ˈla-rə-
plural irregularities
Synonyms of irregularitynext
1
: something that is irregular (such as improper or dishonest conduct)
alleged irregularities in the city government
2
: the quality or state of being irregular
3

Examples of irregularity in a Sentence

the irregularity of his behavior He is suffering from irregularity.
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.
Recent allegations of irregularities in government recruitment exams have only deepened frustrations among some young Indians. Ayushi Shah, CNN Money, 4 July 2026 Brazil’s National Consumer Secretariat, a branch of the Justice Ministry, opened an investigation into possible irregularities during CazéTV’s broadcasts of the World Cup on June 24. ABC News, 3 July 2026 While not every instance is this costly, the fact remains that many companies incur some kind of additional cost due to unnecessary spend, lax budget enforcement, supply irregularities and the like. Andrew Zhyvolovych, Forbes.com, 30 June 2026 Demographers who attempted to validate his age wrote that their investigation uncovered irregularities and inconsistencies. Dhruv Khullar, New Yorker, 29 June 2026 See All Example Sentences for irregularity

Word History

Etymology

Middle English irregularite, from Medieval Latin irregularitat-, irregularitas, from Late Latin irregularis

First Known Use

14th century, in the meaning defined at sense 1

Time Traveler
The first known use of irregularity was in the 14th century

Browse Nearby Words

Cite this Entry

“Irregularity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/irregularity. Accessed 5 Jul. 2026.

Kids Definition

irregularity

noun
ir·​reg·​u·​lar·​i·​ty (ˌ)ir-ˌ(r)eg-yə-ˈlar-ət-ē How to pronounce irregularity (audio)
plural irregularities
1
: the quality or state of being irregular
2
: something (as dishonest conduct) that is irregular
3

Medical Definition

irregularity

noun
ir·​reg·​u·​lar·​i·​ty (ˌ)ir-ˌ(r)eg-yə-ˈlar-ət-ē How to pronounce irregularity (audio)
plural irregularities
1
: the quality or state of being irregular
irregularity of breathing
hormonal irregularities
2
: occasional constipation
more fiber in one's diet may help relieve irregularity

Legal Definition

irregularity

noun
ir·​reg·​u·​lar·​i·​ty ir-ˌre-gyə-ˈlar-ə-tē How to pronounce irregularity (audio)
plural irregularities
: something that is irregular
an irregularity in the proceeding

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