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

By and large, though, the elections were conducted without widespread problems or irregularities, opposition officials at party call centers said. New York Times,, "Recep Tayyip Erdogan claims victory in pivotal Turkish election," 24 June 2018 Germany’s interior minister has dismissed the head of the Federal Office for Migration and Refugees (BAMF), which is mired in a scandal over irregularities in making asylum rulings, a spokesman said Friday. Washington Post, "World Digest: June 15, 2018," 15 June 2018 Polling station officials blamed the low turnout on a combination of tight security measures, voter apathy and irregularities linked to a new electronic voting system. Fox News, "The Latest: Iraqi cleric al-Sadr leads in early vote results," 13 May 2018 Stein's Michigan recall campaign spurred widespread confusion over voting irregularities found in over one-third of Detroit precincts. Alice Yin, Detroit Free Press, "Michigan Legislature: No more election recounts like Jill Stein's 2016 bid," 18 Apr. 2018 But practically before the ink on the ruling had time to dry, the ruling was tossed over trial irregularities and a new proceeding ordered. Sonia Perez D., USA TODAY, "Former Guatemala dictator Rios Montt, 91, dies facing genocide charges," 3 Apr. 2018 But practically before the ink on the ruling had time to dry, the ruling was tossed over trial irregularities and a new proceeding ordered. Time, "Former Guatemala Dictator Efrain Rios Montt Dies at 91," 1 Apr. 2018 The irregularities were noticed during an annual state compliance audit, Time reported. Emily Dabau, Good Housekeeping, "5 Children Received the Wrong Immunizations at a Health Clinic," 8 July 2015 The panel has denied that there were widespread irregularities in the vote. Margaret Coker, New York Times, "Iraqi Council to Oversee Manual Recount Amid Post-Election Chaos," 7 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

12 Nov 2018

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

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More Definitions for irregularity



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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Comments on irregularity

What made you want to look up irregularity? Please tell us where you read or heard it (including the quote, if possible).


to clear from alleged fault or guilt

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