recoil

noun

1
spring back, as from a forceful thrust
The gun kicked back into my shoulder
2
spring back; spring away from an impact
The rubber ball bounced
These particles do not resile but they unite after they collide
3
draw back, as with fear or pain
she flinched when they showed the slaughtering of the calf
4
come back to the originator of an action with an undesired effect
Your comments may backfire and cause you a lot of trouble

Also useful for “recoil”:Unscrambler— Rearrange the letters in “recoil”