| noun | the psychological state of being irritated or annoyed |
| noun | a sudden outburst of anger “his temper sparked like damp firewood” |
| noun | (pathology) abnormal sensitivity to stimulation “any food produced irritation of the stomach” |
| noun | the neural or electrical arousal of an organ or muscle or gland |
| noun | an uncomfortable feeling of mental painfulness or distress |
| noun | unfriendly behavior that causes anger or resentment |
| noun | the act of troubling or annoying someone |
| irritate | verb | cause annoyance in; disturb, especially by minor irritations |
| vex | verb | cause annoyance in; disturb, especially by minor irritations |
| bother | verb | to cause inconvenience or discomfort to |
| pique | verb | cause to feel resentment or indignation |
| temper | verb | restrain |
| excite | verb | produce a magnetic field in |
| sore | adjective | causing misery or pain or distress |
| aggravate | verb | exasperate or irritate |
| provoke | verb | annoy continually or chronically |
| annoy | verb | cause annoyance in; disturb, especially by minor irritations |