vunerable to mental irritation; liable to the pleasure of anger or passion; irascible; petulant.
prone to actual discomfort; effective at being activated to activity by exterior agency; prone to contract, shrink, be inflamed, etc., whenever excited or activated: as, cranky nerves; an irritable wound.
especially, in physiology and botany, having the home of irritability.
Responding quickly to a stimulus; delicate; impressible.
Synonyms Passionate, an such like. (see irascible); fretful, peevish.