2 definitions found
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Irritable \Ir"ri*ta*ble\, a. [L. irritabilis: cf F. irritable.
See {Irritate}.]
1. Capable of being irriated.
2. Very susceptible of anger or passion; easily inflamed or
exasperated; as an irritable temper.
Vicious, old and irritable. --Tennyson.
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}, n., 3.
Syn: Excitable; irascible; touchy; fretful; peevish.
From WordNet r 1.6 [wn]:
irritable
adj 1: easily irritated or annoyed; "an incorrigibly fractious
young man"; "not the least nettlesome of his
countrymen" [syn: {cranky}, {fractious}, {nettlesome},
{peevish}, {peckish}, {pettish}, {petulant}, {testy},
{tetchy}, {techy}]
2: (pathology) abnormally sensitive to a stimulus
3: (physiology) capable of responding to stimuli [syn: {excitable}]
more about irritable
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