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