THESAURUS
short-tempered
abrupt, acerbic, acid, acidulous, acrimonious, bearish, bluff, brusque, caustic, crabbed, crabby, crusty, curt, disagreeable, discourteous, grouchy, gruff, irascible, irritable, peevish, peremptory, petulant, rude, short, shrewish, snappish, surly, tart, terse, testy, touchy, waspish