CEFR B1
irritant
noun
Meaning
A substance or factor that causes discomfort, inflammation, or other adverse reactions when in contact with the skin, eyes, or respiratory system.
Examples
- The dust in the air acted as a potent irritant, causing many people to cough.
- Certain chemicals are known to be skin irritants, so gloves should be worn when handling them.
Synonyms: nuisance, aggravation, provocation