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Very susceptible of anger or passion; easily inflamed or exasperated; as, an irritable temper. Vicious, old, and irritable. Tennyson.

Irritability.

Not irritable; esp. (Physiol.), incapable of being stimulated to action, as a muscle. -- In*ir`ri*ta*bil"i*ty, n.

Passionate; easily provoked; irritable. You kniw the fiery quality of the duke. Shak.

Having hot blood; excitable; high-spirited; irritable; ardent; passionate.

Of an excitable or irritable temperament; irascible. Milton.

Excitable; irritable; irascible; easily provoked; as, an inflammable temper. Inflammable air, the old chemical name for hydrogen.

Prone to anger; easily provoked or inflamed to anger; choleric; irritable; as, an irascible man; an irascible temper or mood. -- I*ras"ci*ble*ness, n. -- I*ras"ci*bly, adv.

The state or quality of being irritable; quick excitability; petulance; fretfulness; as, irritability of temper.

In an irritable manner.

Irritable; touchy. [Colloq.]

Capriciously fretful; characterized by ill-natured freakishness; irritable. "Petulant moods." Macaulay.

Inclined to resent; easily provoked to anger; irritable. -- Re*sent"ful*ly, adv.

pletely, the organs of smell, sight, and hearing. -- Sense organ (Physiol.), a specially irritable mechanism by which some one natural force or form of energy is enabled to excite sensory nerves; as the eye, ear, an end bulb or tactile corpuscle, etc. -- Sense organule (Anat.), one of the modified epithelial cells in…

Irritable; peevish; fretful. Spleeny Lutheran, and not wholesome to Our cause. Shak.

To excite; to irritate; especially, to excite the activity of (a nerve or an irritable muscle), as by electricity.

pecially (Physiol.), any substance or agent capable of evoking the activity of a nerve or irritable muscle, or capable of producing an impression upon a sensory organ or more particularly upon its specific end organ.

A person of a keen, irritable temper. To catch a tartar, to lay hold of, or encounter, a person who proves too strong for the assailant. [Colloq.]

Resembling, or characteristic of, a Tartar; ill-natured; irritable. The Tartarous moods of common men. B. Jonson.

Peevish; fretful; irritable.