Synonyms and related words :
agitable, bearish, bitchy, cankered, cantankerous, churlish, contrary, crabbed, cranky, cross, cross-grained, crusty, cussed, difficult, disagreeable, edgy, emotional, emotionally unstable, eruptive, excitable, explosive, feisty, fractious, froward, high-mettled, high-spirited, high-strung, highly emotional, huffish, huffy, inflammable, irritable, mean, mettlesome, nervous, ornery, perturbable, perverse, prickly, sensitive, skittish, snappish, spiteful, spleeny, splenetic, startlish, stuffy, sulky, sullen, testy, touchy, ugly, volcanic, waspish, wayward, wrongheaded