as in headache
something that is a source of irritation
the whining child was a constant irritant to his long-suffering parents
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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of irritant
Particle pollution from wildfires emit small particles and irritants that can get deposited in the lungs and predispose to chronic medical conditions such as asthma and chronic obstructive lung disease.
—
Omer Awan, Forbes.com, 26 Apr. 2025
To ensure your natural deodorant best suits your needs, be sure to read the label for ingredients that are potential irritants, allergens, or unwanted chemicals.
—Laura Harold, Outside Online, 14 June 2025
Demonstrations sparked by surprise ICE raids have cropped up across the nation, including in Austin, where police used chemical irritants to disperse several hundred demonstrators.
—Jessica Schladebeck, New York Daily News, 11 June 2025
While many were peaceful, some have resulted in clashes with law enforcement as officers made arrests used chemical irritants to disperse crowds.
—Jim Vertuno, Los Angeles Times, 10 June 2025
See All Example Sentences for irritant
Omer Awan, Forbes.com, 26 Apr. 2025
To ensure your natural deodorant best suits your needs, be sure to read the label for ingredients that are potential irritants, allergens, or unwanted chemicals.
—Laura Harold, Outside Online, 14 June 2025
Demonstrations sparked by surprise ICE raids have cropped up across the nation, including in Austin, where police used chemical irritants to disperse several hundred demonstrators.
—Jessica Schladebeck, New York Daily News, 11 June 2025
While many were peaceful, some have resulted in clashes with law enforcement as officers made arrests used chemical irritants to disperse crowds.
—Jim Vertuno, Los Angeles Times, 10 June 2025
See All Example Sentences for irritant
Recent Examples of Synonyms for irritant
Noun
-
Some headaches are related to muscle tension and can be triggered by stress.9 Hot showers or baths promote relaxation.—
Mark Gurarie,
Verywell Health,
9 July 2025
-
These can seem like a real headache for a sole trader who does not have an HR department to take care of all this for them.—
Peter Boolkah,
Forbes.com,
8 July 2025
Noun
-
The city’s multidisciplinary public task force, established in August 2023, was formed to investigate businesses and properties that have public safety concerns and city ordinance violations like nuisances and municipal offenses.—
PJ Green
July 10,
Kansas City Star,
10 July 2025
-
There is also an AI consultant… who probably would have come in handy last season dealing with the artificial intelligence nuisances that were Ainsley and Jankie.—
Dalton Ross,
EW.com,
8 July 2025
Noun
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James Tolkan plays Gerald Strickland, who worked at Hill Valley High School and, in both 1955 and 1985, was a thorn in the side of the McFlys.—
Jonathon Dornbush,
EW.com,
3 July 2025
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Many people had thoughts about what was said, especially the constant thorn in Puff’s side, 50 Cent.—
Armon Sadler,
VIBE.com,
30 June 2025
Noun
-
North Texas’ congestion, perhaps to the frustration of many, had more or less returned to normal by 2022, according to data compiled by the Texas A&M Transportation Institute.—
Fort Worth Star-Telegram,
Fort Worth Star-Telegram,
10 July 2025
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More than six months into his presidency, Trump has shown increasing frustration with Putin as a ceasefire deal to end the conflict remains out of reach.—
Cybele Mayes-Osterman,
USA Today,
10 July 2025
Noun
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Most concerning: The Royals’ lineup is far past the point of frustration and teetering toward pure annoyance for those at The K. Here is how Saturday’s scenario played out.—
Kansas City Star,
Kansas City Star,
13 July 2025
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Don’t think, just play Despite its minor annoyances, Tony Hawk’s Pro Skater 3 + 4 lives up to the hype and should be a day-one treat for gamers worldwide.—
Matt Gardner,
Forbes.com,
11 July 2025
Cite this Entry
“Irritant.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/irritant. Accessed 18 Jul. 2025.
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