the GNU version of the Collaborative International Dictionary of English
adj. Capable of being excited, or roused into action; susceptible of excitement; easily stirred up, or stimulated.
The Century Dictionary and Cyclopedia
Susceptible of or prone to excitement; capable of being excited; easily stirred up or stimulated: as, an excitable temperament.
Synonyms Passionate, choleric, hasty, hot.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. capable of responding to stimuli
adj. easily excited
Word Usage
"That the nervous system in Mrs. Carlyle was all along unstable and excitable is indicated by her intolerance of noise of all kinds, which was as great as that of her husband, and by her sleeplessness, which was even worse than his."