apt to snap or bite, as a dog.

disposed to speak or reply in an impatient or irritable manner.

impatiently or irritably sharp; curt

a snappish reply.

adjective

bad-tempered , cantankerous , crabbed , cranky , cross , disagreeable , fretful , grouchy , grumpy , irascible , irritable , nasty , peevish , petulant , querulous , snappy , surly , testy , ugly , waspish , angry , captious , crabby , curt , edgy , short , splenetic , touchy