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
Related Words
Dissimilar Words
Example Sentences
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Recent Examples of irregular
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
Dan Gooding, MSNBC Newsweek, 7 Oct. 2025
Just a year later, the series lost its sponsor, Alcoa, and was shunted from its Tuesday-night prime-time slot to random, irregular dead zones on the schedule.
—Bruce Handy, New Yorker, 6 Oct. 2025
See All Example Sentences for irregular
Adjective
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
Noun
The Mexican government, for instance, has deployed a significant number of resources and National Guard troops to reduce irregular migration through its territory and toward the US-Mexico border.
—Dan Gooding, MSNBC Newsweek, 7 Oct. 2025
Just a year later, the series lost its sponsor, Alcoa, and was shunted from its Tuesday-night prime-time slot to random, irregular dead zones on the schedule.
—Bruce Handy, New Yorker, 6 Oct. 2025
See All Example Sentences for irregular
Recent Examples of Synonyms for irregular
Adjective
-
In the most common type of surgery, doctors aim to stabilize abnormal parts of the retina that can cause bleeding, swelling or detachment.—
Liz Szabo,
Scientific American,
14 Oct. 2025
-
Nine sacks might be abnormal, but the constant pressure that disrupts game plans is not new for Denver’s defense.—
Nick Kosmider,
New York Times,
12 Oct. 2025
Adjective
-
These factions do not hold stable territory, but their sporadic resistance — from raids to armed standoffs — signals the first cracks in Hamas’s grip.—
Efrat Lachter,
FOXNews.com,
17 Oct. 2025
-
Freeze’s scheme, however, has leaned too heavily on sporadic big plays and not enough on sustained drives — a formula that has left Auburn struggling in late-game situations.—
Zach Sweet,
Kansas City Star,
17 Oct. 2025
Adjective
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After years of uneven results, prospects at main camp gave an indication that this season might be different.—
Allan Mitchell,
New York Times,
12 Oct. 2025
-
Geographic and demographic disparities The uneven distribution of EV charging infrastructure is a huge challenge.—
Atharva Gosavi,
Interesting Engineering,
10 Oct. 2025
Adjective
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The venue’s intimacy, coupled with a more informal, speakeasy vibe, permeated an award ceremony that was notable for its moments of laughter and easy congeniality.—
Leila Cobo,
Billboard,
17 Oct. 2025
-
The Covid-19 pandemic meant that the research was slow to get off the ground and, more crucially, informal conversations Adamala had with colleagues in other fields, at conferences and other forums, began to sow alarm.—
Katie Hunt,
CNN Money,
17 Oct. 2025
Adjective
-
So watch the video carefully and try to catch the signs of unnatural eye movements, lip-sync issues, weird lighting, shadows and voice inconsistencies.—
Kurt Knutsson,
FOXNews.com,
14 Oct. 2025
-
Temporary runways tend to be sketchier to run and jump from, while makeshift throwing set-ups can feel unnatural.—
Liam Tharme,
New York Times,
10 Oct. 2025
Adjective
-
While some may view it as extravagant goods and high-end services, others see it as occasional splurges, unique experiences and good health.—
Maddie McGay,
USA Today,
18 Oct. 2025
-
Daily and nightly tours now offer visitors its complex history, along with an occasional paranormal scare.—
Maureen O'Hare,
CNN Money,
18 Oct. 2025
Adjective
-
The Maah Daah Hey Trail runs for 144 miles, offering some of the best exposure to what’s left of the country’s majestic grasslands, plus surprisingly jagged peaks, rugged plateaus, and ample river crossings.—
Jacqueline Kehoe,
AFAR Media,
15 Oct. 2025
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Its alpine-style streets, surrounded by jagged peaks, are lined with breweries and boutique shops.—
Chantelle Kincy,
Travel + Leisure,
14 Oct. 2025
Adjective
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The story behind this winning idea is a bit unconventional compared to other product rollouts.—
Abigail Wilt,
Southern Living,
13 Oct. 2025
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That same headbanging energy has defined her steady, albeit unconventional, political rise.—
Hanako Montgomery,
CNN Money,
11 Oct. 2025
Cite this Entry
“Irregular.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/irregular. Accessed 19 Oct. 2025.
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