1. (

• bounce ,
• 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" ;

2. (

• rally ,
• rebound

) return to a former condition; "The jilted lover soon rallied and found new friends"; "The stock market rallied" ;