[syn: bouncing, bouncy, peppy, spirited, zippy]
The Collaborative International Dictionary of English v.0.48:
zippy \zippy\, adj.
   1. quick and energetic. torpid
   Syn: brisk, lively, merry, rattling, snappy, spanking.
        [WordNet 1.5]
   2. full of life and energy. dull
   Syn: bouncing, bouncy, peppy, spirited, lively.
        [WordNet 1.5 +PJC]
WordNet (r) 3.0 (2006):
zippy
    adj 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" [syn:
           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" [syn:
       bouncing, bouncy, peppy, spirited, zippy]
Moby Thesaurus II by Grady Ward, 1.0:
75 Moby Thesaurus words for "zippy":
   active, acute, aggressive, alert, animated, antic, brisk, burning,
   capersome, catty, coltish, curried, dynamic, energetic,
   enterprising, enthusiastic, exuberant, forceful, forcible, frisky,
   frolicsome, full of beans, full of pep, gamesome, gay, go-go,
   hearty, high-seasoned, hot, hot as pepper, impetuous, incisive,
   intense, keen, kinetic, lively, living, lusty, mettlesome, nimble,
   nippy, peppery, peppy, playful, racy, ready, robust, rollicking,
   rollicksome, rompish, seasoned, skittish, smacking, snappy,
   spanking, spiced, spicy, spirited, sportive, sprightly, spry,
   strenuous, strong, take-charge, take-over, tangy, trenchant,
   vibrant, vigorous, vital, vivacious, vivid, with a kick, zestful,
   zesty