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
Some attackers sprayed protesters with chemical irritants, hit them with wooden boards, punched and kicked them and shot fireworks into the crowd of students and supporters huddled behind umbrellas and wooden planks, attempting to stay safe. Cnn.com Wire Service, The Mercury News, 16 May 2024 Saline sprays: These sprays use a saltwater solution to moisten nasal passages, thin mucus, and remove irritants. Shannon Ullman, Health, 6 May 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 29 May. 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

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!