1
as in abnormal
departing from some accepted standard of what is normal
it was a bank customer's slightly irregular behavior that made people suspicious
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
2
as in sporadic
lacking in steadiness or regularity of occurrence
irregular mail delivery to the island
Synonyms & Similar Words
Antonyms & Near Antonyms
3
as in uneven
not having a level or smooth surface
although the moon looks smooth from here, it actually has a very bumpy and irregular surface
Synonyms & Similar Words
Antonyms & Near Antonyms
4
as in informal
not rigidly following established form, custom, or rules
the request is irregular, but I'll allow it
Synonyms & Similar Words
Antonyms & Near Antonyms
5
as in changing
not staying constant
irregular gusts of wind
Synonyms & Similar Words
Antonyms & Near Antonyms
as in guerilla
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Recent Examples of irregular
Lauryn Higgins, Flow Space, 10 Mar. 2025
After further inspecting the device, Jarrell and investigators noticed Hackman’s heart also showed an atrial fibrillation, or irregular heartbeat, the following day, on Feb. 18.
—Rick Jervis, USA TODAY, 9 Mar. 2025
Time, 14 Nov. 2019
Pakistani irregulars invaded, India intervened, and the two countries fought to a stalemate.
—Washington Post, 15 Feb. 2019
See All Example Sentences for irregular
Adjective
Poor sleep hygiene—like too much screen time, caffeine or irregular sleep schedules—can make things worse.
—Lauryn Higgins, Flow Space, 10 Mar. 2025
After further inspecting the device, Jarrell and investigators noticed Hackman’s heart also showed an atrial fibrillation, or irregular heartbeat, the following day, on Feb. 18.
—Rick Jervis, USA TODAY, 9 Mar. 2025
Noun
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
See All Example Sentences for irregular
Recent Examples of Synonyms for irregular
Adjective
-
This trend is not abnormal because consumer confidence among Republicans was even worse during some of President Biden’s term.—
Bill Stone,
Forbes,
16 Mar. 2025
-
This can help determine if there is any abnormal growth.—
Julie Scott, MSN, ANP-BC, AOCNP,
Verywell Health,
14 Mar. 2025
Adjective
-
Peoples Gas has been onsite multiple times over the winter and identified the boiler exhaust flue as a potential source of the sporadic smell, district officials said.—
Nell Salzman,
Chicago Tribune,
27 Feb. 2025
-
Local media did sporadic stories about the local flooding, but there were endless reports about Western NC, including from national news outlets.—
Théoden Janes,
Charlotte Observer,
26 Feb. 2025
Adjective
-
The main story is very strangely uneven, the routes and caves are often straight pathways with little in them, and none of it is really difficult at all.—
Faisal Kutty,
Newsweek,
12 Mar. 2025
-
The evolution of the COVID-19 pandemic – from devastation, to optimism for eradication, to persistent, uneven spread of disease – may seem unprecedented.—
Powel H. Kazanjian,
The Conversation,
5 Mar. 2025
Adjective
-
Not in a classroom with a lecture but sitting on your couch with your family, eating some popcorn, getting this informal education, and hopefully planting a seed that, hey, Black women do this type of science.—
Victoria Uwumarogie,
Essence,
7 Mar. 2025
-
Meanwhile, many women around the world are still struggling to find work, with many holding precarious jobs or forced to hustle in the informal economy just to get by.—
Meera Senthilingam,
CNN,
7 Mar. 2025
Adjective
-
Of the six substitutions Slot made in the defeat to PSG, Quansah was the brightest addition to the side, despite coming on at right-back, an unnatural position for him.—
Andy Jones,
The Athletic,
13 Mar. 2025
-
While there are certainly products that can be used across different hair textures, lengths, curl patterns, thicknesses, colors (natural and unnatural), and needs, hair products are often created with specific consumers in mind.—
Jennifer Hussein,
Allure,
11 Mar. 2025
Adjective
-
Winds will increase during the afternoon hours, with occasional gusts to around 15 to 20 mph.—
NC Weather Bot,
Charlotte Observer,
12 Mar. 2025
-
Even their occasional technical difficulties resolved into exhilarating feedback storms.—
Stephen Thomas Erlewine,
Rolling Stone,
12 Mar. 2025
Adjective
-
As in so many shows about big conspiracies, Dope Thief’s pacing gets a bit jagged toward the end of its eight episodes.—
Roxana Hadadi,
Vulture,
14 Mar. 2025
-
Mix grains of cobalt, mined in Labrador, with potash, quarried in Saskatchewan, and whisks of beaver tail, all of it steeped over sharp, jagged Yukon ice.—
Scott Simon,
NPR,
8 Mar. 2025
Adjective
-
The setting may be unconventional, but the luxury is undeniable.—
Jordi Lippe-McGraw,
Forbes,
13 Mar. 2025
-
His unconventional style and ventures (e.g., X Corp, SpaceX) and track record of turning ambitious ideas into reality is remarkable.—
Michael Khouw,
CNBC,
13 Mar. 2025
Articles Related to irregular
Cite this Entry
“Irregular.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/irregular. Accessed 23 Mar. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share