Irritant definition
Causing irritation, especially physical irritation.
adjective
A source of irritation.
Tobacco smoke, a common eye irritant.
noun
Causing irritation or inflammation.
adjective
Something that causes irritation.
noun
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(law, Scotland) Rendering null and void; conditionally invalidating.
adjective
Any medication designed to cause irritation.
noun
Other Word Forms
Noun
Singular:
irritant
Plural:
irritantsOrigin of irritant
- French from Latin irrītāns irrītant- present participle of irrītāre to irritate
From American Heritage Dictionary of the English Language, 5th Edition
- From French
From Wiktionary