Definition of irritant in English:


Syllabification: ir·ri·tant
Pronunciation: /ˈiritənt


  • 1A substance that causes slight inflammation or other discomfort to the body.
    More example sentences
    • Some substances may not be irritants but if the skin becomes sensitised - or allergic - to them they may cause a reaction.
    • Inflammation makes the airways sensitive to stimuli such as allergens, chemical irritants, tobacco smoke, cold air, or exercise.
    • Moisture barriers, sometimes called skin protectants, shield the skin from exposure to irritants or moisture.
  • 2A thing that is continually annoying or distracting: in 1966, Vietnam was becoming an irritant to the government
    More example sentences
    • Still, these are mostly minor irritants that can easily be dismissed as necessary game requirements.
    • Another constant irritant for the judge was poor media reporting.
    • What should be a service to the community is seen as a major irritant.


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  • Causing slight inflammation or other discomfort to the body.
    More example sentences
    • Their long, skinny bodies were covered with irritant hairs.
    • Ammonia is an irritant gas with a sharp odor, both as a natural and a manufactured chemical.
    • The welding process produces a complex mixture of irritant gases, coarse metal particulates, and fine metal oxide fume.



More example sentences
  • I think other fish-farmers regarded me with curiosity and some irritancy.
  • There was also a consistent exposure-time interaction for all three symptoms, suggesting a diminution in the potency of formaldehyde's irritancy during the weeks of the semester.
  • This is another test that measures irritancy by using pumpkin rind to simulate the effect of a test substance on human skin.

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