short-tempered

adj

curt, sharp, abrupt, short-spoken, rudely brief; cutting, biting, sarcastic, acute, keen; caustic, acrimonious, virulent, mordant, trenchant, sullen, tart, petulant, sour, splenetic, choleric, acetose; testy, edgy, touchy, grouchy, irascible, short-fused, crabbed, crabby, peevish, snapping, snarling, growling, bearish, currish, waspish; brusque, brash, gruff, peppery, surly, crusty, thorny; unmannerly, discourteous, rude, impolite, ungraceful; stern, austere.