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
Jeremiah Moore was an irritant to the Crown.
—
Michael Luo,
New Yorker,
14 June 2026
Chemicals from the fire include respiratory irritants, toxic gases, carcinogens and at least one neurotoxin, according to the San Joaquin County Office of Emergency Services.
—
Brandon Downs,
CBS News,
12 June 2026
The tiny irritants Americans call chiggers are the larval stage of Trombiculidae mites.
—
Eva Flowe
june 11,
Charlotte Observer,
11 June 2026
Vaginal and intimate health issues affect millions of women, often exacerbated by conventional products containing irritants, hormonal changes, menopause, cancer treatments, or imbalances in the vaginal microbiome.
—
Tanya Akim,
Forbes.com,
11 June 2026
See All Example Sentences for irritant
Michael Luo,
New Yorker,
14 June 2026
Chemicals from the fire include respiratory irritants, toxic gases, carcinogens and at least one neurotoxin, according to the San Joaquin County Office of Emergency Services.
—
Brandon Downs,
CBS News,
12 June 2026
The tiny irritants Americans call chiggers are the larval stage of Trombiculidae mites.
—
Eva Flowe
june 11,
Charlotte Observer,
11 June 2026
Vaginal and intimate health issues affect millions of women, often exacerbated by conventional products containing irritants, hormonal changes, menopause, cancer treatments, or imbalances in the vaginal microbiome.
—
Tanya Akim,
Forbes.com,
11 June 2026
See All Example Sentences for irritant
Recent Examples of Synonyms for irritant
Noun
-
That’s when the real headache for businesses began, as customs checks, border controls and reams of paperwork came into force.
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But the move enabled Florida to lock in what will be one of the best top-six forward groups in the league, slotting Brady Tkachuck into the left wing spot on the second line alongside center Sam Bennett and right wing Matthew Tkachuk that will cause opponents major headaches.
Noun
-
Someone decides what counts as cultivation and what counts as nuisance, what gets watered and what gets pulled, what belongs in the planned bed and what must be removed before visitors arrive.
-
Many people view heat as an annual summer nuisance but have no reference for differentiating dangerous extreme events.
Noun
-
Every single product is impeccable; the only thorn in any of their sides is the admittedly high price point.
-
The match was set, and now Rhodes will defend the title against the two thorns in his side since before Clash in Italy.
Noun
-
Those frustrations could be on the verge of boiling over.
-
But without knowing the reasons behind those decisions, the criticism amounts to nothing more than frustrations over unmet expectations.
Noun
-
Friedland describes the ritual with the mixture of reverence and annoyance that marks many of his best observations.
-
Game changer, annoyance, or something in between?
Cite this Entry
“Irritant.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/irritant. Accessed 1 Jul. 2026.
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