IRRITABLE

irritable. Irritable, a. easily provoked, waspish, capable of being easily excited into action, or contracting upon application of power

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Ir″ri‐ta‐ble (?), a. [[L. irritabilis: cf. F. irritable. See Irritate.]] 1. 1. Capable of being irritated.
2. 2. Very susceptible of anger or passion; easily inflamed or exasperated; as, an irritable temper.
Vicious, old, and irritable. Tennyson. 3. 3. (Physiol.) Endowed with irritability; susceptible of irritation; capable of being excited to action by the application of certain stimuli.
4. 4. (Med.) Susceptible of irritation; unduly sensitive to irritants or stimuli. See Irritation, n., 3.
Syn. — Excitable; irascible; touchy; fretful; peevish.