List of testy synonyms and testy related words.
bad-tempered, bearish, bitchy, cankered, cantankerous, captious, choleric, churlish, contentious, crabbed, crabby, cranky, cross, cross-grained, crotchety, crusty, cussed, disagreeable, edgy, excitable, feisty, fractious, fretful, grouchy, grumpy, hot-tempered, huffish, huffy, ill-humored, ill-tempered, irascible, irritable, mean, on edge, ornery, peevish, perverse, petulant, pissed off, quarrelsome, querulous, quick-tempered, short-tempered, snappish, spiteful, spleeny, splenetic, tetchy, touchy, ugly, waspish