Synonyms and related words :
abrupt, acerbic, acid, bearish, bitchy, brusque, cankered, cantankerous, choleric, churlish, crabbed, crabby, cranky, cross, cross-grained, crusty, curt, cussed, disagreeable, dyspeptic, excitable, feisty, fractious, fretful, grouchy, gruff, hot-tempered, huffish, huffy, ill-humored, ill-tempered, irascible, irritable, mean, moody, morose, ornery, peevish, perverse, pettish, petulant, prickly, querulous, quick-tempered, sharp, short, short-tempered, snappy, spiteful, spleeny, splenetic, surly, tart, temperamental, testy, touchy, ugly, ungracious, waspish