sensitive, high-strung, neurotic, easily excited, peevish, irritable, edgy, impatient, intolerant, moody, touchy, irascible, fiery, volatile, resentful, vehement, demonstrative, restless, uneasy, unquiet, mercurial, galvanic, fidgety, fussy, hysterical, emotional, hotheaded, enthusiastic, overzealous, turbulent, impressible, tempestuous, stormy, impulsive, impetuous, rash, hasty, quick, passionate, heedless, reckless, violent, quick-tempered, temperamental, hot-tempered, short-tempered, easily angered, hot-blooded, combustible, fierce, wild, volcanic, explosive, prickly, huffy, flighty, nervous, jumpy, on edge, tense, overstrung, ready to explode, likely to go off at half cock*, having a short fuse*, like a bundle of nerves*.
Antonyms calm*, placid, easygoing.
