violent action that is hostile and usually unprovoked | unfriendly behavior that causes anger or resentment |
deliberately unfriendly behavior | the act of troubling or annoying someone |
the act of initiating hostilities | an uncomfortable feeling of mental painfulness or distress |
a disposition to behave aggressively | a sudden outburst of anger |
a feeling of hostility that arouses thoughts of attack | the psychological state of being irritated or annoyed |
| the neural or electrical arousal of an organ or muscle or gland |
| (pathology) abnormal sensitivity to stimulation |