anticipate avert bar beat back beat off block brush off chase chase away chase off check counter cut debar deflect deter discourage dishearten dismiss drive away drive back estop exclude fend fend off forbid foreclose forestall help hinder hold at bay hold off keep at bay keep from obstruct obviate pack off parry preclude prevent prohibit push back put back rebuff rebut refuse repel repulse rule out save send away send off send packing snub spurn stave off stop thrust back turn aside turn back ward off