the GNU version of the Collaborative International Dictionary of English
n. The quality of being readily excited; proneness to be affected by exciting causes.
n. The property manifested by living organisms, and the elements and tissues of which they are constituted, of responding to the action of stimulants; irritability.
The Century Dictionary and Cyclopedia
n. The quality of being excitable; readiness or proneness to be provoked or moved into action; the quality of being easily agitated; nervousness.
n. In physiology, irritability.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. excessive sensitivity of an organ or body part
n. being easily excited
Word Usage
"Your emotional excitability is very high and you require a lot of rest and relaxation to function properly."