irritation

Noun

• the act of troubling or annoying someone

• unfriendly behavior that causes anger or resentment

• an uncomfortable feeling of mental painfulness or distress

• the neural or electrical arousal of an organ or muscle or gland

• (pathology) abnormal sensitivity to stimulation
  • any food produced irritation of the stomach
    

• a sudden outburst of anger
  • his temper sparked like damp firewood
    

• the psychological state of being irritated or annoyed

Related words

• Synonyms: 
  annoyance , annoying , vexation , aggravation , provocation , discomfort , soreness , excitation , innervation , pique , temper , botheration