How to Use irregular in a Sentence

irregular

1 of 2 adjective
  • The stone has an irregular shape.
  • He has a very irregular schedule.
  • The festival has been held at irregular intervals.
  • His behavior as a teacher was highly irregular.
  • Her application was handled in an irregular manner.
  • Even a few days of irregular sleep could impact your gut.
    Rena Goldman, Health, 7 June 2026
  • Even worse, irregular sleep habits can wreak havoc on your heart.
    Sherri Gordon, Health, 9 Feb. 2024
  • The fusion crust was more irregular than the cut edges.
    Heather Barker, Space.com, 11 Mar. 2026
  • Don’t mow wet or frozen grass since damage from irregular cuts can lead to disease.
    Karen Brewer Grossman, Southern Living, 2 Sep. 2025
  • Here, they’re gently smashed in a zip-top bag with a rolling pin into irregular pieces.
    Jesse Szewczyk, Bon Appetit Magazine, 12 Apr. 2026
  • Pickles, with their toad-like hue and irregular texture, would be a great base.
    Emily Heil, Washington Post, 24 Oct. 2023
  • This means the many women with irregular cycles won’t be left out.
    Helen Carefoot, Flow Space, 18 June 2026
  • Even accounting for its irregular shape, this must still be true.
    Phil Plait, Scientific American, 10 July 2026
  • Set aside to cool and then break into irregular shards and reserve for topping the soup.
    Hailee Catalano, Bon Appetit Magazine, 23 Jan. 2026
  • Fish oil supplements may not help your heart and could increase the risk of irregular heart rhythms.
    Stephanie Brown, Verywell Health, 24 Apr. 2026
  • Fish oil supplements may not help your heart and could increase the risk of irregular heart rhythms.
    Stephanie Brown, Verywell Health, 10 Oct. 2025
  • Past irregular versions of the Tonys have not gone over well with viewers.
    Ashley Lee, Los Angeles Times, 16 May 2023
  • Many had irregular bedtimes and wake times but slept a consistent number of hours per night.
    Shayla Love, New Yorker, 18 Feb. 2026
  • Your periods can be irregular, may not return right away, or have a heavier flow.
    Dr. Roshini Raj, Health, 28 Apr. 2023
  • Lump charcoal burns hotter and faster than briquettes, but its irregular shape can make for uneven coals.
    Melissa Mayer, Field & Stream, 30 Jan. 2023
  • Many have irregular or pock-marked shapes, while others have a smooth crust from their time burning up in our atmosphere.
    Adam Lark, Scientific American, 28 June 2026
  • Many have irregular or pock-marked shapes, while others have a smooth crust from their time burning up in our atmosphere.
    Adam Lark, The Conversation, 16 June 2026
  • There were no shadows or lumps or irregular patches that could signal cancer.
    Elizabeth Cohen, NBC news, 22 Oct. 2025
  • The mobiles stir like birds or trees; the stabiles squat, grumpy and irregular, like walruses.
    Adam Gopnik, New Yorker, 15 Sep. 2025
  • If desired, press irregular edges in toward the centers to form round burgers.
    Andrea Beck, Better Homes & Gardens, 10 July 2026
  • Symptoms include shortness of breath, chest pain and a fast or irregular heartbeat.
    Arianna Johnson, Forbes, 26 Jan. 2023
  • The windsocks shift in the breeze, drawing soft curves across the terrace, while the ropes that tether them sag and arc in irregular lines.
    Carmen F De Terenzio, Miami Herald, 18 Dec. 2025
  • In ordinary life, by contrast, the flow of time often feels irregular.
    Joshua Rothman, New Yorker, 16 Sep. 2025
  • Cut with an irregular touch, her bangs felt soft and flattering, rather than harsh–a good thing to be aware of when trying the look yourself.
    Philipp Wehsack, Vogue, 28 Jan. 2025
  • Fatigue, severe pain, heavy and irregular flow, sleepless nights on the bathroom floor.
    Escher Walcott, PEOPLE, 16 June 2026

irregular

2 of 2 noun
  • Somehow the regulars don’t seem to mind all the irregulars who come to gawk.
    Joshua Levine, WSJ, 15 Jan. 2019
  • Who took up arms to help their husbands in their clashes with Turkish troops and Kurdish irregulars.
    Stephanie Petit, PEOPLE.com, 24 Apr. 2018
  • Instead imagine high-tech mobs, an intifada with stones and drones, locals and irregulars in improvised warfare with the feds.
    Lance Morrow, WSJ, 6 July 2018
  • 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, 1 May 2017
  • 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, 20 Apr. 2018
  • Setting off in pursuit was José María Zuloaga, a taciturn lieutenant colonel in the Mexican army supported by a band of irregulars.
    Carolina A. Miranda, The Atlantic, 5 Mar. 2026
  • 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, 21 Mar. 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, 26 Nov. 2016
  • 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, 20 Feb. 2018

Some of these examples are programmatically compiled from various online sources to illustrate current usage of the word 'irregular.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

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