- easily excited: Prima donnas had the reputation of being excitable and temperamental.
- capable of being excited.
- easily excited; volatile
- (esp of a nerve) ready to respond to a stimulus
adj.c.1600, from Late Latin excitabilis “inciting, animating,” from excitare (see excite). Related: Excitability. adj.
- Capable of reacting to a stimulus. Used of a tissue, cell, or cell membrane.
- Capable of emotional arousal.