Definition of irritant Irritant

/ɪˈɹʌtʌnt/ - [irutunt] - ir•ri•tant

We found 12 definitions of irritant from 5 different sources.

What does irritant mean?

Noun Plural: irritants
irritant - something that causes irritation and annoyance; "he's a thorn in my flesh"
		thorn
		pain in the ass, bother, botheration, pain in the neck, infliction, annoyance, pain an act causing pain or damage

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= antonym
= related word

irritant (a.)
Rendering null and void; conditionally invalidating.
irritant (a.)
Irritating; producing irritation or inflammation.
irritant (n.)
That which irritates or excites.
irritant (n.)
Any agent by which irritation is produced; as, a chemical irritant; a mechanical or electrical irritant.
irritant (n.)
A poison that produces inflammation.

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irritant in sign language