Irascible

a.

1.

Prone to anger; easily provoked or inflamed to anger; choleric; irritable; as, an irascible man; an irascible temper or mood.

Adj.	1.	irascible - quickly aroused to anger; "a hotheaded commander" Synonyms: hot-tempered, hotheaded, quick-tempered, short-tempered, choleric, short
	2.	irascible - characterized by anger; "a choleric outburst"; "an irascible response" Synonyms: choleric

agitable, bearish, bitchy, cankered, cantankerous, churlish, contrary, crabbed, cranky, cross, cross-grained, crusty, cussed, difficult, disagreeable, edgy, emotional, emotionally unstable, eruptive, excitable, explosive, feisty, fractious, froward, high-mettled, high-spirited, high-strung, highly emotional, huffish, huffy, inflammable, irritable, mean, mettlesome, nervous, ornery, perturbable, perverse, prickly, sensitive, skittish, snappish, spiteful, spleeny, splenetic, startlish, stuffy, sulky, sullen, testy, touchy, ugly, volcanic, waspish, wayward, wrongheaded