Dictionary
ir•ri•ta•ble
Pronunciation: (ir'i-tu-bul), [key]—
adj.
1. easily irritated or annoyed; readily excited to impatience or anger.
2. Physiol., Biol.displaying irritability.
3. Pathol.susceptible to physical irritation.
4. Med.abnormally sensitive to a stimulus.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.