apt to snap or bite; snappish, as a dog.

impatient or irritable, as a person or a reply.

snapping or crackling in sound, as a fire.

quick or sudden in action or performance.

Informal . crisp, smart, lively, brisk, etc.

Only snappy people get ahead in this world.

make it snappy

Slang . to speed up; hurry.

adjective

happy , nice , pleasant , old , old-fashioned , outdated , unfashionable , delayed , slow , sluggish

adjective

cross , disagreeable , edgy , fractious , hasty , huffy , petulant , quick-tempered , snappish , tart , testy , touchy , waspish , chic , classy , dapper , dashing , fly * , in good taste , modish , natty , sharp , smart , stylish , swank , tony , trendy , up-to-the-minute , with style , abrupt , breakneck , expeditious , fleet , harefooted , immediate , instant , on-the-spot , quick , rapid , speedy , sudden , swift , unpremeditated , fiery , high-spirited , mettlesome , peppery , vibrant , active , brisk , driving , dynamic , dynamical , energetic , enterprising , lively , peppy , sprightly , spry , zippy , la mode , mod , posh , swanky , trig , bad-tempered , cantankerous , crabbed , cranky , fretful , grouchy , grumpy , irascible , irritable , nasty , peevish , querulous , surly , ugly , brittle , fashionable , fast , prompt , spiffy