irritant

1 of 2

noun

ir·​ri·​tant ˈir-ə-tənt How to pronounce irritant (audio)
: something that irritates or excites

irritant

2 of 2

adjective

: causing irritation
specifically : tending to produce physical irritation

Examples of irritant in a Sentence

Noun dust and other lung irritants The delay was a minor irritant.
Recent Examples on the Web
Noun
And for the second time, tension rose in the late-night hours and law enforcement again used chemical irritants and rubber bullets to break up a gathering of about 100 protesters. Sarah Lapidus, The Arizona Republic, 10 May 2024 Seasonal allergies typically occur at certain times of the year — when a significant number of irritants or allergens, such as plant pollen, are present, according to Baptist Health. Ray Padilla, The Courier-Journal, 29 Feb. 2024
Adjective
But where Daniel Tiger is a visual and auditory irritant, Peep’s world is delightfully quirky and genuinely funny, in no small part because Joan Cusak provides voice-over commentary. Vulture Editors, Vulture, 11 June 2024 In people with sensitive skin, antiperspirants can cause irritant dermatitis: inflammation and itchiness at the area where the sweat glands are blocked. Sara Novak, Scientific American, 10 June 2024 See all Example Sentences for irritant 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'irritant.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

Noun

1802, in the meaning defined above

Adjective

1636, in the meaning defined above

Time Traveler
The first known use of irritant was in 1636

Dictionary Entries Near irritant

Cite this Entry

“Irritant.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/irritant. Accessed 20 Jun. 2024.

Kids Definition

irritant

1 of 2 adjective
ir·​ri·​tant ˈir-ə-tənt How to pronounce irritant (audio)
: tending to produce anger, annoyance, impatience, soreness, or inflammation
especially : tending to produce physical irritation

irritant

2 of 2 noun
: something that irritates

Medical Definition

irritant

1 of 2 adjective
ir·​ri·​tant ˈir-ə-tənt How to pronounce irritant (audio)
: causing irritation
specifically : tending to produce inflammation

irritant

2 of 2 noun
: something that irritates or excites
specifically : an agent by which irritation is produced
a chemical irritant

More from Merriam-Webster on irritant

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