a. | 1. | |
1. | Capable of being irritated. | |
2. | Very susceptible of anger or passion; easily inflamed or exasperated; | |
3. | (Physiol.) Endowed with irritability; susceptible of irritation; capable of being excited to action by the application of certain stimuli. | |
4. | (Med.) Susceptible of irritation; unduly sensitive to irritants or stimuli. See Irritation, |
Adj. | 1. | irritable - easily irritated or annoyed; "an incorrigibly fractious young man"; "not the least nettlesome of his countrymen" |
2. | irritable - abnormally sensitive to a stimulus | |
3. | irritable - capable of responding to stimuli Synonyms: excitable |