irregularity
noun
ir·reg·u·lar·i·ty
i-ˌre-gyə-ˈler-ə-tē 
ˌi(r)-,
-ˈla-rə-
plural irregularities
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
Here's what to know about the controversy over alleged vote irregularities in Riverside County.
—
Tom Coulter, USA Today, 21 Mar. 2026
Dawn Nettles, who publishes the Lotto Report about lottery happenings and has cried foul over lottery irregularities, said attention should turn away from the gamblers and focus on state officials who presided over this mess.
—Dave Lieber, Dallas Morning News, 19 Mar. 2026
Kane County voters who observe or experience voting problems or irregularities during the March 17 general primary election should call the Kane County State’s Attorney’s Office or the Kane County Sheriff’s Office, according to a Facebook post by the State’s Attorney’s Office.
—Aurora Beacon-News, Chicago Tribune, 17 Mar. 2026
As an example of this irregularity, between 2000 and 2099, there will be 25 leap days, including the starting year, but in the following three centuries, there will only be 24 leap days.
—Manon Bischoff, Scientific American, 13 Mar. 2026
See All Example Sentences for irregularity
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Tom Coulter, USA Today, 21 Mar. 2026
Dawn Nettles, who publishes the Lotto Report about lottery happenings and has cried foul over lottery irregularities, said attention should turn away from the gamblers and focus on state officials who presided over this mess.
—Dave Lieber, Dallas Morning News, 19 Mar. 2026
Kane County voters who observe or experience voting problems or irregularities during the March 17 general primary election should call the Kane County State’s Attorney’s Office or the Kane County Sheriff’s Office, according to a Facebook post by the State’s Attorney’s Office.
—Aurora Beacon-News, Chicago Tribune, 17 Mar. 2026
As an example of this irregularity, between 2000 and 2099, there will be 25 leap days, including the starting year, but in the following three centuries, there will only be 24 leap days.
—Manon Bischoff, Scientific American, 13 Mar. 2026
See All Example Sentences for irregularity
Cite this Entry
“Irregularity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/irregularity. Accessed 28 Mar. 2026.
Copy CitationKids Definition
irregularity
noun
ir·reg·u·lar·i·ty
(ˌ)ir-ˌ(r)eg-yə-ˈlar-ət-ē
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
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
plural irregularities
: something that is irregular
an irregularity in the proceeding
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