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
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. See More
Recent Examples on the Web
López Obrador has said it could be expanded across Central America with U.S. support to curb irregular migration.—Kevin Sieff, Washington Post, 11 Jan. 2023 As irregular migration becomes more hemispheric, experts say, government management of migration needs to become more hemispheric.—Henry Gass, The Christian Science Monitor, 13 Dec. 2022 George Jones dies Jones died 15 years later at the age of 81 in Nashville, less than a week after he was hospitalized for a fever and irregular blood pressure, per the Los Angeles Times.—Emily J. Shiffer, Peoplemag, 2 Dec. 2022 In 2019, the last time there was a spike in irregular migration, more than 300 families — also largely from Angola and the Democratic Republic of Congo — came to Southern Maine.—Eileen Sullivan, New York Times, 6 Sep. 2022 This can cause irregular blood pressure, fainting, dizziness, chest and abdominal pain, brain fog and even nausea.—Jessica Dulong, CNN, 22 Mar. 2022 Despite suffering hair loss, joint and muscle pain, irregular blood pressure and dizziness, routine test results for such patients usually come back normal.—Fox News, 20 Apr. 2021 Sometimes, an irregular heartbeat doesn’t cause any noticeable symptoms.—Beth Krietsch, SELF, 12 Dec. 2022 High doses of steroids also raise blood pressure, increase cholesterol and seem to increase the risk of an irregular heartbeat, blood clots, heart attacks and strokes.—William Neff, Washington Post, 8 Dec. 2022
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, 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, 14 Nov. 2019 Pakistani irregulars invaded, India intervened, and the two countries fought to a stalemate.—Washington Post, 15 Feb. 2019 Somehow the regulars don’t seem to mind all the irregulars who come to gawk.—Joshua Levine, WSJ, 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, 6 July 2018 Who took up arms to help their husbands in their clashes with Turkish troops and Kurdish irregulars.—Stephanie Petit, PEOPLE.com, 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, 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, 20 Feb. 2018 See More
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.
Middle English irreguler, from Anglo-French, from Late Latin irregularis not in accordance with rule, from Latin in- + regularis regular