Source : WordNet®

push back
     n : the act of forcing the enemy to withdraw [syn: {rollback}]
     v : cause to move back by force or influence; "repel the enemy";
         "push back the urge to smoke"; "beat back the invaders"
         [syn: {repel}, {drive}, {repulse}, {force back}, {beat
         back}] [ant: {attract}]