Synonyms and related words :
bearish, bitchy, cankered, cantankerous, churlish, contrary, crabbed, cranky, cross, cross-grained, crotchety, crusty, cussed, disagreeable, excitable, feisty, fractious, fretful, huffish, huffy, impatient, irascible, irritable, malicious, mean, ornery, peevish, perverse, pettish, petulant, querulous, sharp, snappish, spiteful, spleeny, splenetic, testy, ugly, vinegarish, vinegary