ETYM From Edge.
Being in a tense state; easily upset; SYN. high-strung, in suspense, jittery, jumpy, nervous, nervy, overstrung, restive, uptight.
In an aroused state.
ETYM Latin irritabilis: cf. French irritable. Related to Irritate.
(Pathology) Abnormally sensitive to a stimulus.
Subjected to irritation; especially; roughened, reddened, or inflamed by an irritant.
ETYM Latin petulans, -antis, prop., making slight attacks upon, from a lost dim. of petere to fall upon, to attack: cf. French pétulant. Related to Petition.
Forward; pert; insolent; wanton.