irritation meaning and definition

IRRITATION noun

Definition of irritation (noun)

1. the psychological state of being irritated or annoyed
   • synonyms: annoyance, botheration, vexation
2. a sudden outburst of anger
   • "his temper sparked like damp firewood"
   • synonyms: pique, temper
3. (pathology) abnormal sensitivity to stimulation
   • "any food produced irritation of the stomach"
4. the neural or electrical arousal of an organ or muscle or gland
   • synonyms: excitation, innervation
5. an uncomfortable feeling of mental painfulness or distress
   • synonyms: discomfort, soreness
6. unfriendly behavior that causes anger or resentment
   • synonyms: aggravation, provocation
7. the act of troubling or annoying someone
   • synonyms: annoyance, annoying, vexation