zippy in WordNet English dictionary

1. quick 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"
   alert  brisk  lively  merry  rattling  snappy  spanking  zippy 
   
2. marked by lively action
   "a bouncing gait"; "bouncy tunes"; "the peppy and interesting talk"; "a spirited dance"
   bouncing  bouncy  peppy  spirited  zippy 
   

zippy in English Wiktionary