Adjectives

(s)snappish, snappyapt to speak irritably“a snappish tone of voice”
(s)snappy, whippingsmart and fashionable“snappy conversation”, “some sharp and whipping lines”
(s)crisp, frosty, nipping, nippy, snappypleasantly cold and invigorating“crisp clear nights and frosty mornings”, “a nipping wind”, “a nippy fall day”, “snappy weather”
(s)dapper, dashing, jaunty, natty, raffish, rakish, spiffy, snappy, sprucemarked by up-to-dateness in dress and manners“a dapper young man”, “a jaunty red hat”
(s)alert, brisk, lively, merry, rattling, snappy, spanking, zippyquick and energetic“a brisk walk in the park”, “a lively gait”, “a merry chase”, “traveling at a rattling rate”, “a snappy pace”, “a spanking breeze”