What is the meaning of snappy?

adjective

• Apt to speak irritably.
  • usage: "a snappish tone of voice"
  • synonyms: snappish
• Smart and fashionable.
  • usage: "snappy conversation"; "some sharp and whipping lines"
  • synonyms: whipping
• Pleasantly cold and invigorating.
  • usage: "crisp clear nights and frosty mornings"; "a nipping wind"; "a nippy fall day"; "snappy weather"
  • synonyms: crisp, frosty, nipping, nippy
• Marked by up-to-dateness in dress and manners.
  • usage: "a dapper young man"; "a jaunty red hat"
  • synonyms: dapper, dashing, jaunty, natty, raffish, rakish, spiffy, spruce
• Quick and energetic.
  • usage: "a brisk walk in the park"; "a lively gait"; "a merry chase"; "traveling at a rattling rate"; "a snappy pace"; "a spanking breeze"
  • synonyms: alert, brisk, lively, merry, rattling, spanking, zippy