adj. 25B6; adjective IRRITABLE, cantankerous, irascible, bad-tempered, grumpy, grouchy, crotchety, tetchy, testy, crusty, curmudgeonly, ill-tempered, ill-humoured, peevish, cross, fractious, pettish, crabbed, prickly, waspish; informal snappish, snappy, chippy; Brit. informal shirty, stroppy, narky, ratty; N. Amer. informal cranky, ornery; Austral./NZ informal snaky.
affable.