adj. 1. readily regaining its original shape or position after stretching, compression, or other deformation; as, clean bouncy hair. Syn. -- live, lively, resilient, springy, whippy. [ WordNet 1.5 ]
2. showing a joyous enthusiasm. Opposite of dull. Syn. -- animated, bouncing, buoyant, exuberant, peppy, perky, spirited, zippy. [ WordNet 1.5 ]