English Reference
noun

irritation

n.
US /ˌɪɹɪˈteɪʃən/ UK /ˌɪɹɪtˈeɪʃən/ ir·ri·ta·tion UK spelling irritations

  1. 01 B2 Upper Intermediate

    the feeling of being slightly angry or impatient because of something or someone.

    the psychological state of being annoyed or impatient. Uncountable in its abstract sense, though specific instances may be treated as countable.

    Simple

    He tried to hide his irritation when the meeting started twenty minutes late.

    In context

    The constant interruptions from the construction site next door were a source of growing irritation for the office staff trying to meet their deadline.

    annoyanceexasperationvexation
  2. 02 B2 Upper Intermediate Medicine

    a painful, red, or itchy feeling on a part of your body, often your skin.

    a state of inflammation or painful reaction in living tissue caused by an external agent or injury.

    Simple

    The new laundry soap caused a red irritation on her arms.

    In context

    Prolonged exposure to the chemical fumes resulted in severe nasal irritation and a persistent cough among the factory workers.

  3. 03 B2 Upper Intermediate

    something that makes you feel annoyed or impatient.

    a specific source of annoyance or a stimulus that provokes a state of being irritated.

    Simple

    The slow internet connection was a constant irritation for the students.

    In context

    While minor on their own, the frequent technical glitches became a significant irritation that hampered the team's overall productivity.

For people such as Chloe and my daughter, we’re not talking about skin irritation or a dodgy stomach, however unpleasant that might be.

The Guardian· 27 Aug 2026

Irritation from algae in rivers and lakes might also be causing it.

The Guardian· 27 Aug 2026

Borrowed from Middle French irritation, from Latin irrītātiō, from irrītāre (“to excite”).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin frm irritation
Level B2 · Upper Intermediate
Frequency Frequent
Updated