Irritant Meaning

/ˈɪɹɪtənt/
B2

Definition, CEFR level B2, pronunciation, examples, and quiz.

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adjCausing irritation or inflammation.

adjRendering null and void; conditionally invalidating.

The pollen was a common irritant for people with allergies.
The chemical was a skin irritant and caused rashes.
The harsh chemical acts as a skin irritant.
Synonyms:
Antonyms:
None
CEFR Practice Quiz
Dust from the construction site became an ____ causing workers to cough continuously.
CEFR Practice Quiz (Alternate)
The chemical used in the factory proved to be a powerful skin ____ for many of the manual workers.

From French irritant, equivalent to irritate + -ant.

"Lin had harassed the missionary group multiple times. However, he was the one who scheduled a meeting with the two CGM members at a laundromat. Upon meeting, before they could even exchange words, Lin launched an attack. He pulled out a bottle of irritant liquid that he had prepared beforehand and sprayed it into their eyes." — 2026 March 11, Massimo Introvigne, “When Stigmatization Turns Violent: Two CGM Members Assaulted with a Hammer in Taiwan”, in Bitter Winter:
"The states elected Harry, Duke of Anjou, for their king, with this clause irritant; that, if he did violate any part of his oath, the people should owe him no allegiance." — 1603, Hayward, An Answer to the first part of a certaine conference concerning succession:

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CEFR Practice Quiz
Dust from the construction site became an ____ causing workers to cough continuously.
CEFR Practice Quiz (Alternate)
The chemical used in the factory proved to be a powerful skin ____ for many of the manual workers.

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