THESAURUS
high strung
agitable, all nerves, apprehensive, edgy, emotional, emotionally unstable, eruptive, excitable, explosive, fearful, fidgety, frightened, goosey, high-mettled, high-spirited, highly emotional, hypersensitive, inflammable, irascible, irritable, jittery, jumpy, mettlesome, miffy, nerves on edge, nervous, nervy, on edge, oversensitive, overstrung, panicky, perturbable, prickly, sensitive, skittish, spooky, startlish, taut, temperamental, tetchy, thin-skinned, ticklish, tight, touchy, twittery, uneasy, unrelaxed, unrestful, uptight, volcanic