(a.) Prone to anger; easily provoked or inflamed to anger; choleric; as, an irascible temper or mood\.

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