Roget's Thesaurus by Peter Mark Roget

972. come into a collision, enter into collision; collide; sideswipe;

foul; fall foul of, run foul of; telescope. throw &c. (propel) 284. Adj. impelling &c. v.; impulsive, impellent[obs3]; booming; dynamic, dynamical; impelled &c. v. Phr. "a hit, a very palpable hit" [Hamlet]. #277. Recoil.—N. recoil; reaction, retroaction; revulsion; bounce, # rebound, ricochet; repercussion, recalcitration[obs3]; kick, contrecoup[Fr]; springing back &c. v.; elasticity &c. 325; reflection, reflexion[Brit], reflex, reflux; reverberation &c. (resonance) 408; rebuff, repulse; return. ducks and drakes; boomerang; spring, reactionist[obs3]. elastic collision, coefficient of restitution. V. recoil, react; spring back, fly back, bounce back, bound back; rebound, reverberate, repercuss[obs3], recalcitrate[obs3]; echo, ricochet. Adj. recoiling &c. v.; refluent[obs3], repercussive, recalcitrant, reactionary; retroactive. Adv. on the rebound, on the recoil &c. n. Phr. for every action there is a reaction equal in force and opposite in direction [Newton].