ir·reg·u·lar·i·ty | \ i-ˌre-gyə-ˈler-ə-tē , ˌi(r)- , -ˈla-rə- \
plural irregularities

Definition of irregularity 

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

Examples of irregularity in a Sentence

the irregularity of his behavior He is suffering from irregularity.

Recent Examples on the Web

The level of defaults was higher than what the company had set aside for repurchases, and the accounting irregularities dried up the company’s access to financing. Julie Wernau, WSJ, "CEO of Busted Subprime Lender Now Seeding Mortgage-Related Startups," 23 June 2018 Those irregularities, as well as reports of voter intimidation and vote buying, will be impossible to detect in a recount, according to Vian al-Sheikh Ali, director of the election monitoring group Tammuz. NBC News, "Iraq set for election recount amid fraud claims," 22 June 2018 Getty Images There were some irregularities with the vote. Alex Ward, Vox, "9 questions about the 2018 World Cup you were too embarrassed to ask," 12 June 2018 The website also said Wiese asked the company to cover a margin call on his behalf after Steinhoff reported the accounting irregularities in December. Loni Prinsloo,, "Steinhoff Says Payments to Ex-Chairman Broke Company Rules," 10 Apr. 2018 Prepa’s executive director during the storm, Ricardo Ramos, resigned after irregularities emerged in how the Whitefish deal was awarded and priced, and his successor stepped aside to make way for Mr. Higgins. Andrew Scurria, WSJ, "Puerto Rico Power Utility CEO Resigns After Less Than Four Months on Job," 11 July 2018 The probe involves irregularities related to absentee ballots, which fall under Jones Sr. Stephen Deere, ajc, "Atlanta mayor’s campaign paid firm registered to election official," 9 July 2018 But the euphoria over that milestone was quickly overshadowed by the charges of voter irregularities that surfaced on the day of the election and grew louder in the weeks that followed. NBC News, "Iraq set for election recount amid fraud claims," 22 June 2018 Still, for a team that has a dozen names on the disabled list, has had eight of its top nine starting pitchers miss time and has employed a baseball-high 46 players, any irregularities concerning Trout are, in fact, quite concerning. Jeff Miller,, "Half a Trout is still a pretty large fish," 21 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'irregularity.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of irregularity

14th century, in the meaning defined at sense 1

History and Etymology for irregularity

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

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Last Updated

17 Sep 2018

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

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English Language Learners Definition of irregularity

: the quality or state of being irregular

: something that is irregular

: something that is not usual or proper and that usually indicates dishonest behavior


ir·reg·u·lar·i·ty | \ i-ˌre-gyə-ˈler-ə-tē \
plural irregularities

Kids Definition of irregularity

1 : the quality or state of being unusual, uneven, or happening at different times

2 : something that is unusual, uneven, or happening at different times


ir·reg·u·lar·i·ty | \ (ˌ)ir-ˌ(r)eg-yə-ˈlar-ət-ē \
plural irregularities

Medical Definition of irregularity 

1 : the quality or state of being irregular irregularity of breathing hormonal irregularitys

2 : occasional constipation more fiber in one's diet may help relieve irregularity

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ir·reg·u·lar·i·ty | \ ir-ˌre-gyə-ˈlar-ə-tē \
plural irregularities

Legal Definition of irregularity 

: something that is irregular an irregularity in the proceeding

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