#1 bounce v. [resile, take a hop, spring, bound, rebound, recoil, reverberate, ricochet] spring back; spring away from an impact; "The rubber ball bounced"; "These particles do not resile but they unite after they collide". wn
#2 bounce v. hit something so that it bounces; "bounce a ball". wn
#3 bounce v. [jounce] move up and down repeatedly. wn
#4 bounce n. [bounciness] the quality of a substance that is able to rebound. wn
#5 bounce n. [leap, leaping, spring, saltation, bound] a light, self-propelled movement upwards or forwards. wn
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