To start, roll, bound, spring, or fall back; to take a reverse motion; to be driven or forced backward; to return.
- To spring back, as upon firing.
- To shrink back, as in fear or repugnance.
- To fall back; return: "Violence does, in truth, recoil upon the violent” ( Arthur Conan Doyle).
- The backward action of a firearm upon firing.
- The act or state of recoiling; reaction.