quickly aroused to anger; a hotheaded commander

[ Syn: choleric , irascible , hot-tempered , quick-tempered , short-tempered ]

characterized by undue haste and lack of thought or deliberation; a hotheaded decision; liable to such impulsive acts as hugging strangers; an impetuous display of spending and gambling; madcap escapades; (`brainish is archaic)

[ Syn: impulsive , impetuous , madcap , tearaway , brainish ]