Synonyms of bad-tempered

2 Syllables
crabbed, grousing, peevish, sullen, tetchier, toucher, crabbier, mumpish, touchy, whiny, grumpy, tetchy, snarly, crabby, ructious, pettish, surly, bitchy, grumpier, chuffier, waspish, bitchier, chuffy, touchier, cattish, waspy, testier, testy, touchiest
3 Syllables
truculent, petulant, cat-and-dog, crotchety, liverish, hardnosed, splenetic, perverse
4 Syllables
ill-tempered, cantankerous, quarrelsome, atrabilious