irritant

/ˈɪrɪtənt/
noun
  1. Something that causes annoyance, anger, or discomfort.
    • The constant barking of the neighbor's dog was a major irritant.
    • Dust and pollen are common irritants for people with allergies.
    • His habit of interrupting others was an irritant in every meeting.
adjective
  1. Causing irritation or annoyance.
    • The chemical is an irritant substance that can cause skin rashes.
    • She found his constant humming to be highly irritant.
    • Irritant fumes from the factory made the nearby residents cough.
Antonyms
What does "irritant" mean? | whatsthatwordmean | whatsthatwordmean