irregular

adjective
ir·​reg·​u·​lar | \ i-ˈre-gyə-lər How to pronounce irregular (audio) , ˌi(r)- \

Definition of irregular

 (Entry 1 of 2)

1a : not being or acting in accord with laws, rules, or established custom irregular conduct
b : not conforming to the usual pattern of inflection irregular verbs specifically : strong sense 16
c : not following a usual or prescribed procedure especially, British : celebrated without either proclamation of the banns or publication of intention to marry irregular marriage
2 : not belonging to or a part of a regular organized group specifically : not belonging to a regular army but raised for a special purpose irregular troops
3a : lacking perfect symmetry or evenness an irregular coastline
b : having one or more floral parts of the same whorl different in size, shape, or arrangement specifically : zygomorphic
4 : lacking continuity or regularity especially of occurrence or activity irregular employment

irregular

noun

Definition of irregular (Entry 2 of 2)

: one that is irregular: such as
a : a soldier who is not a member of a regular military force
b irregulars plural : merchandise that has minor defects or that falls next below the manufacturer's standard for firsts

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Other Words from irregular

Adjective

irregularly adverb

Synonyms & Antonyms for irregular

Synonyms: Adjective

Antonyms: Adjective

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Choose the Right Synonym for irregular

Adjective

irregular, anomalous, unnatural mean not conforming to rule, law, or custom. irregular implies not conforming to a law or regulation imposed for the sake of uniformity in method, practice, or conduct. concerned about his irregular behavior anomalous implies not conforming to what might be expected because of the class or type to which it belongs or the laws that govern its existence. her drive made her an anomalous figure in a sleepy organization unnatural suggests what is contrary to nature or to principles or standards felt to be essential to the well-being of civilized society. prisoners treated with unnatural cruelty

Examples of irregular in a Sentence

Adjective His behavior as a teacher was highly irregular. Her application was handled in an irregular manner. a very jagged, irregular surface The stone has an irregular shape. He has a very irregular schedule. The festival has been held at irregular intervals.
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Recent Examples on the Web: Adjective Every year, tens of thousands of people are trafficked from Nigeria, particularly Edo State in the nation's south, which has become one of Africa's largest departure points for irregular migration. Aisha Salaudeen, CNN, "New Nollywood film shines a light on human trafficking in Nigeria," 7 Oct. 2020 Mexico’s government has stepped up law enforcement against irregular migration at the request of Mr. Trump. Juan Montes, WSJ, "New Migrant Caravan From Honduras Heads Toward U.S. Border," 2 Oct. 2020 Amid unprecedented border closures in the spring, due to public health restrictions, irregular migration to Europe virtually ground to a halt. Washington Post, "Economic fallout from coronavirus leads to surge in Tunisians leaving for Europe," 24 Sep. 2020 And indeed, irregular migration to Europe, while still a big issue, has fallen considerably from its peak five years ago. The Economist, "Cheques don’t check treks The idea that aid and development slow migration is wrong," 29 Aug. 2020 The Lads took us down to the last at-bat on the last day of the irregular regular season. Scott Ostler, SFChronicle.com, "Surprise: In an irregular season, the Giants were regularly entertaining," 27 Sep. 2020 Some of the most notable and serious side effects that can occur from taking potassium supplements include developing an irregular heartbeat, feeling weak or tingly, and having digestive tract issues. Allen Foster, chicagotribune.com, "The best potassium supplement of 2020," 24 Sep. 2020 During this time Katherine realised that her depression was at least in part tied to her cycle and was exacerbated by her irregular, infrequent periods. Sadhbh O'sullivan, refinery29.com, "Polycystic Ovary Syndrome Fuelled My Eating Disorder," 10 Sep. 2020 Though that program ended in April, the Pentagon continues to move the strategic jets through Andersen at irregular intervals to keep adversaries guessing. Brad Lendon, CNN, "Chinese air force propaganda video appears to use Hollywood movie clips," 22 Sep. 2020 Recent Examples on the Web: Noun As volunteer companies were raised to drive out the Mexican forces — who were occupying their own country — some of the irregulars were joined by free black men. Paula Allen, ExpressNews.com, "Mixed-race San Antonio adventurer helped Texas fight for independence from Mexico," 15 Feb. 2020 Turkish troops then began shelling Kurdish towns in Syria, and Turkish forces pushed forward, irregulars executing people in ditches along the road. Time, "'No Friends But the Mountains.' What Life Looks Like for the Kurds of Syria, Now That the U.S. Has Pulled Back," 14 Nov. 2019 Pakistani irregulars invaded, India intervened, and the two countries fought to a stalemate. Washington Post, "Where the Latest India-Pakistan Conflict May Lead: QuickTake," 15 Feb. 2019 Somehow the regulars don’t seem to mind all the irregulars who come to gawk. Joshua Levine, WSJ, "Saks Doubles Down on Department Stores With New Restaurant in New York City," 15 Jan. 2019 Instead imagine high-tech mobs, an intifada with stones and drones, locals and irregulars in improvised warfare with the feds. Lance Morrow, WSJ, "Political Harassment Is for the Birds," 6 July 2018 Who took up arms to help their husbands in their clashes with Turkish troops and Kurdish irregulars. Stephanie Petit, PEOPLE.com, "Kim & Rob Kardashian Honor Victims of the Armenian Genocide 103 Years After First Attack," 24 Apr. 2018 The onslaught followed days of army units and pro-government irregulars mobilizing from as far as the northern city of Aleppo before massing south of the capital. Nabih Bulos, latimes.com, "Syrian army secures areas south of capital," 20 Apr. 2018 The army's 3rd and 4th divisions, the Republican Guard, Russian forces, tribal fighters and pro-government irregulars are expected to take part in the offensive, pro-government activists said. Nabih Bulos, latimes.com, "'It’s a catastrophe': Almost 200 killed in multi-day bombardment of Syrian suburb," 20 Feb. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'irregular.' 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 irregular

Adjective

14th century, in the meaning defined at sense 1a

Noun

15th century, in the meaning defined above

History and Etymology for irregular

Adjective

Middle English irreguler, from Anglo-French, from Late Latin irregularis not in accordance with rule, from Latin in- + regularis regular

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Time Traveler for irregular

Time Traveler

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

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Statistics for irregular

Last Updated

20 Oct 2020

Cite this Entry

“Irregular.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/irregular. Accessed 24 Oct. 2020.

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More Definitions for irregular

irregular

adjective
How to pronounce irregular (audio)

English Language Learners Definition of irregular

 (Entry 1 of 2)

: not normal or usual : not following the usual rules about what should be done
: not even or smooth : not regular in form or shape
: happening or done at different times that change often

irregular

noun

English Language Learners Definition of irregular (Entry 2 of 2)

: a soldier who does not belong to a country's official army

irregular

adjective
ir·​reg·​u·​lar | \ i-ˈreg-yə-lər How to pronounce irregular (audio) \

Kids Definition of irregular

1 : not following custom or rule Her methods are most irregular.
2 : not following the usual manner of inflection The verb “sell” is irregular because its past tense is “sold,” not “selled.”
3 : not straight, smooth, or even an irregular coastline
4 : not continuous or coming at set times He works irregular hours.

Other Words from irregular

irregularly adverb

irregular

adjective
ir·​reg·​u·​lar | \ (ˈ)ir-ˈ(r)eg-yə-lər How to pronounce irregular (audio) \

Medical Definition of irregular

1 : lacking perfect symmetry of form : not straight, smooth, even, or regular irregular teeth
2a : lacking continuity or regularity of occurrence, activity, or function irregular breathing
b of a physiological function : failing to occur at regular or normal intervals irregular menstruation have your bowels been irregular
c of an individual : failing to defecate at regular or normal intervals was constipated and very irregular

Other Words from irregular

irregularly adverb

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irregular

adjective
ir·​reg·​u·​lar | \ ir-ˈre-gyə-lər How to pronounce irregular (audio) \

Legal Definition of irregular

: not in accord with laws, rules, procedures, or established custom

Other Words from irregular

irregularly adverb

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Comments on irregular

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