snappy

abrupt animated blunt blunter brisk brusque cheerful coldest cold cool coolest crabbiest crabby/crabbed crabbier crabbed cross disagreeable energetic enterprising fast faster fastest festive freezing frigid grouchy gruff hasty huffy ill-tempered impatient intolerant irritable kinetic livelier lively more crabbed more crabbed more robust more stylish most crabbed most crabbed most robust peevish peppery piquant playful poignant pungent pungent quarrelsome quick querulous quicker quickest racy robust rousing salty sharp shivery short short-spoken short-tempered smart smarter smartest snazzy speedier speedy spicy spiffy spirited sprightly spunky stylish swanky swankest swankiest swankiest swank/swanky swankier swankier swanker swift swifter tart terse tetchy testy unforbearing vigorous waggish wintry zippy