THESAURUS
beat off
block, check, counter, drive back, fend, fend off, hinder, hold at bay, hold off, keep at bay, keep off, obstruct, parry, push back, put back, rebuff, repel, repulse, stave off, stop, turn aside, ward off
ROGET THESAURUS
beat off
Defense
VB
defend, forfend, fend, shield, screen, shroud, engarrison, fend round, fence, entrench, intrench, guard, guard against, take care of, bear harmless, fend off, keep off, ward off,
beat off, beat back, hinder, parry, repel, propugn, put to flight, give a warm reception to, hold at bay, keep at bay, keep arm's length, stand on the defensive, act on the defensive, show fight, maintain one's ground, stand one's ground, stand by, hold one's own, bear the brunt, stand the brunt, fall back upon, hold, stand in the gap.