bad-tempered, irascible, irritable, grumpy, grouchy, crotchety, tetchy, testy, crusty, curmudgeonly, ill-tempered, ill-natured, ill-humoured, peevish, cross, fractious, disagreeable, pettish, crabbed, crabby, waspish, prickly, peppery, touchy, scratchy, splenetic, shrewish, short-tempered, hot-tempered, quick-tempered, dyspeptic, choleric, bilious, liverish, cross-grained