Repulse
WordNet
noun
(1) An instance of driving away or warding off
verb
(2) Force or drive back
"Repel the attacker"
"Fight off the onslaught"
"Rebuff the attack"
(3) Cause to move back by force or influence
"Repel the enemy"
"Push back the urge to smoke"
"Beat back the invaders"
(4) Be repellent to; cause aversion in