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