irritation

noun

1.
the psychological state of being irritated or annoyed
Derived from:
irritate
2.
a sudden outburst of anger
Derived from:
irritate
3.
(pathology) abnormal sensitivity to stimulation
Derived from:
irritate
4.
the neural or electrical arousal of an organ or muscle or gland
Derived from:
irritate
5.
an uncomfortable feeling of mental painfulness or distress
Derived from:
irritate
6.
unfriendly behavior that causes anger or resentment
Derived from:
irritate
7.
the act of troubling or annoying someone
Derived from:
irritate