Irritation
Ir`ri`ta´tion
| n. | 1. | |
| 1. | The act of irritating, or exciting, or the state of being irritated; excitement; stimulation, usually of an undue and uncomfortable kind; especially, excitement of anger or passion; provocation; annoyance; anger. | |
| 2. | (Physiol.) The act of exciting, or the condition of being excited to action, by stimulation; - as, the condition of an organ of sense, when its nerve is affected by some external body; esp., the act of exciting muscle fibers to contraction, by artificial stimulation; | |
| 3. | (Med.) A condition of morbid excitability or oversensitiveness of an organ or part of the body; a state in which the application of ordinary stimuli produces pain or excessive or vitiated action. |
| Noun | 1. |  irritation - the psychological state of being irritated or annoyed |
| 2. | irritation - a sudden outburst of anger; "his temper sparked like damp firewood" | |
| 3. | irritation - (pathology) abnormal sensitivity to stimulation; "any food produced irritation of the stomach" | |
| 4. | irritation - the neural or electrical arousal of an organ or muscle or gland Synonyms: innervation, excitation | |
| 5. | irritation - an uncomfortable feeling in some part of the body Synonyms: discomfort, soreness | |
| 6. | irritation - unfriendly behavior that causes anger or resentment Synonyms: provocation, aggravation | |
| 7. |  irritation - the act of troubling or annoying someone |