Irritant definition

ĭrĭ-tənt
Frequency:
Causing irritation, especially physical irritation.
adjective
2
0
A source of irritation.

Tobacco smoke, a common eye irritant.

noun
2
0
Causing irritation or inflammation.
adjective
1
0
Something that causes irritation.
noun
1
0
adjective
1
0
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(law, Scotland) Rendering null and void; conditionally invalidating.
adjective
0
0
Any medication designed to cause irritation.
noun
0
0
A source of irritation.
noun
0
0

Other Word Forms

Noun

Singular:
irritant
Plural:
irritants

Origin 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