Englishquick-tempered
adjective
they tend to be impulsive and quick-tempered:
irritable, irascible, hot-tempered, short-tempered, fiery, touchy, volatile;
peevish, cross, crabbed, crabby, crotchety, cantankerous, impatient, grumpy, huffy, brusque, ill-tempered, bad-tempered, ill-natured, ill-humored, testy, tetchy, snarling, waspish, prickly, crusty, peppery, bilious, liverish, dyspeptic, splenetic, choleric;
informal snappish, snappy, chippy, cranky, grouchy, on a short fuse;
British, informal narky, ratty, eggy, like a bear with a sore head;
North American, informal peckish, soreheaded;
Australian, New Zealand, informal snaky;
informal , dated miffy.
▷antonyms placid, calm.