1. Abnormal sensitivity or excessive responsiveness, as of an organ or body part, to a stimulus. 2. It is a state of excessive, easily provoked anger, annoyance or impatience, see neural irritability.

IRRITABILITY: "Irritability is annoyance, excessive and easily- provoked anger and excessive responsiveness."
Cite this page: N., Pam M.S., "IRRITABILITY," in, May 11, 2013, (accessed April 20, 2021).