Synonyms for Bouncy (same or very similar meaning)
WordNet sense 1 (elastic; rebounds readily):
live, resilient, springy, liveWordNet sense 2 (capable of resuming original shape after stretching or compression; springy):
elasticWordNet sense 3 (marked by lively action):
bouncing, peppy, spirited, zippyWordNet sense 4 (full of life and energy):
livelyFrom the ODE community, based on WordNetadd/edit