as in headache
something that is a source of irritation
the whining child was a constant irritant to his long-suffering parents
Synonyms & Similar Words
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Antonyms & Near Antonyms
Example Sentences
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Recent Examples of irritant
The bacteria attach to tiny, hairlike structures in the lungs called cilia, which help sweep the lungs clear of mucus and irritants.
—
Tanya Lewis, Scientific American, 4 Apr. 2025
Common triggers include environmental allergens, foods, and skin irritants.
—Brandi Jones, Msn-Ed, Health, 28 Mar. 2025
In fact, the brand follows the National Eczema Association's ingredient guidelines to avoid irritants and allergens.
—Kiana Murden, Vogue, 10 Mar. 2025
The damaged lung tissue associated with COPD is most often caused by long-term exposure to irritants such as fumes, dust, chemicals or smoke.
—Daryl Austin, USA TODAY, 6 Mar. 2025
See All Example Sentences for irritant
Tanya Lewis, Scientific American, 4 Apr. 2025
Common triggers include environmental allergens, foods, and skin irritants.
—Brandi Jones, Msn-Ed, Health, 28 Mar. 2025
In fact, the brand follows the National Eczema Association's ingredient guidelines to avoid irritants and allergens.
—Kiana Murden, Vogue, 10 Mar. 2025
The damaged lung tissue associated with COPD is most often caused by long-term exposure to irritants such as fumes, dust, chemicals or smoke.
—Daryl Austin, USA TODAY, 6 Mar. 2025
See All Example Sentences for irritant
Recent Examples of Synonyms for irritant
Noun
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Dehydration can be dangerous and may result in headaches, fatigue, dizziness, and other unpleasant symptoms, according to the Cleveland Clinic.—
Sarah Klein,
Time,
29 Apr. 2025
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Not everyone with a mild headache needs a CT scan of the brain.—
Paul Hsieh,
Forbes.com,
29 Apr. 2025
Noun
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While the Black Series trailers are no longer a problem for City of Industry and Los Angeles County authorities, Wildomar officials say the trailers are now a nuisance for them.—
Nathan Solis,
Los Angeles Times,
17 Apr. 2025
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Both communities have spotlighted the importance of responsible tourism, where travelers are respectful and supportive of the local community, without being a nuisance or irresponsible.—
Michael Cappetta,
Travel + Leisure,
17 Apr. 2025
Noun
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Yet, that $250,000 could well be enough to become more than just a thorn in the side of the ransomware industry if Halcyon has anything to do with.—
Davey Winder,
Forbes.com,
21 Apr. 2025
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Steyer’s company, long a thorn in the tech mogul’s side, promotes safer tech for children.—
Parmy Olson,
Mercury News,
19 Apr. 2025
Noun
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CFOs understand the frustration of needing yet another system to manage access controls, compliance requirements and security measures.—
Leslie Milne,
Forbes.com,
29 Apr. 2025
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The frustration of losing the Corales Puntacana Championship almost on the last hole quickly passed for Joel Dahmen.—
Mohammed Soliman,
MSNBC Newsweek,
29 Apr. 2025
Noun
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This, predictably, doesn’t go over well with Ellie, who refuses to take the assignment and mockingly shouts about her secret Cordyceps immunity to Tommy’s annoyance.—
Keith Phipps,
Vulture,
14 Apr. 2025
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Well, this wasn't the only instance of Scheffler's annoyance affecting him.—
Thomas G. Moukawsher,
Newsweek,
22 Mar. 2025
Cite this Entry
“Irritant.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/irritant. Accessed 13 May. 2025.
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