1.Definition: (pathology) abnormal sensitivity to stimulation

"Any food produced irritation of the stomach"

Category: General

2.Definition: a sudden outburst of anger

Related Noun(s):pique, temper

Category: Feelings

3.Definition: an uncomfortable feeling of mental painfulness or distress

Related Noun(s):discomfort, soreness

Category: Feelings

4.Definition: the act of troubling or annoying someone

Related Noun(s):annoyance, vexation

Category: General

5.Definition: the neural or electrical arousal of an organ or muscle or gland

Related Noun(s):excitation, innervation

Category: General

6.Definition: the psychological state of being irritated or annoyed

Related Noun(s):annoyance, botheration, vexation

Category: General

7.Definition: unfriendly behavior that causes anger or resentment

Related Noun(s):aggravation, provocation

Category: General