irregular

adjective
ir·​reg·​u·​lar | \i-ˈre-gyə-lər, 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

aberrant, aberrational, abnormal, anomalous, atypical, deviant, deviate, devious, unnatural, untypical

Antonyms: Adjective

natural, normal, regular, standard, typical

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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

Side effects also vary by drug but can include itching, rash, excessive thirst, frequent urination, nausea and vomiting, an irregular heartbeat, drowsiness, weight changes, blackouts, loss of coordination, and more, according to the NIMH. Korin Miller, SELF, "5 Bipolar Disorder Treatments You Should Know About," 30 Nov. 2018 There were two serious side effects — one patient was hospitalized for bronchitis and another for an irregular heartbeat — but those were deemed due to their disease and pre-existing conditions, not the gene treatment. Fox News, "Early results boost hopes for historic gene editing attempt," 7 Sep. 2018 Gloria Casanova, a grandmother, nursing assistant and native of Cuba, was sitting quietly inside her tiny Miami efficiency, studying an English book to learn about irregular verbs. David Ovalle, miamiherald, "Grandma survived a point-blank bullet to the head. Now, she faces her attacker | Miami Herald," 20 Apr. 2018 Other common anemia symptoms include weakness, fatigue, an irregular heartbeat, paler skin, chest pain, and headaches. Carolyn L. Todd, SELF, "7 Reasons You Might Be Feeling Cold All the Time," 16 Oct. 2018 Outage Compensation The latest draft defies Kenyatta’s order by providing for compensation by Kenya Power if outages, poor quality or irregular supply due to negligence results in damage to property, financial loss, or loss of life. David Herbling, Bloomberg.com, "Kenya Plans Royalty for Geothermal Producers in Energy Bill," 14 Feb. 2018 Researchers found that middle-aged female mice who experienced disruptions to their bodies' natural rhythms also exhibited irregular reproductive cycles. Tehrene Firman, Redbook, "How to Get Pregnant," 10 Aug. 2017 But work is irregular in small shops like the one that employs Zourgane and Hafid. Sophie Pollock, USA TODAY, "Crafting mosaic tile is an endangered tradition. Here are the folks keeping it alive," 7 June 2018 Then the complications began. *** First his heartbeat was irregular. Jodie Briggs, Longreads, "Growing Up Around Funeral Homes Didn’t Prepare Me for Death," 27 Mar. 2018

Recent Examples on the Web: Noun

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 As he, Ulibarri and Gola tune their instruments and sip their cocktails, a steady flow of irregulars and their instruments casually stroll through the pub. Nate Addlestone, miamiherald, "Jazz Mondays at Churchill’s Pub, a safe haven for people who just want to be themselves | Miami Herald," 25 Oct. 2017 His small band of irregulars skirmished with government troops, and each encounter increased their support in Cuba and around the world, even though other insurgent forces in the cities were also fighting to overthrow the Batista government. Anthony Depalma, New York Times, "Fidel Castro, Cuban Revolutionary Who Defied U.S., Dies at 90," 26 Nov. 2016 The coalition argues that casualties are inevitable in urban warfare with irregulars mixing with civilians and determined to stage a last stand. Susanna George, The Seattle Times, "Civilian casualty toll could complicate Iraqi reconciliation," 1 May 2017 Elite units, regular troops, irregulars in jeans carrying Kalashnikovs, members of foreign militias and armored vehicles could be seen near the front line on Sunday and Monday. Anne Barnard, New York Times, "Resurgent Syrian Rebels Surprise Damascus With New Assaults," 21 Mar. 2017

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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Statistics for irregular

Last Updated

8 Dec 2018

Look-up Popularity

Time Traveler for irregular

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

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More Definitions for irregular

irregular

adjective

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 \

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 \

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 \

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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