(v. t.) To overwhelm by argument; to refute conclusively; to prove or show to be false or defective; to overcome; to silence.

answer answer conclusively antagonize argue down be antipathetic be inimical beat against break clash collide conflict conflict with confound contradict contrapose contravene controvert counter counteract counterattack countercharge counterclaim counterpose countervail counterwork cross crush defeat demolish deny disconfirm dismiss dispose of evert finish floor go against go counter to interfere with lock horns make a rebuttal meet head-on militate against nonplus oppose oppugn overthrow overturn overwhelm parry put to silence rebut reduce to silence refute rejoin resist run against run counter to settle shut up silence smash all opposition squash squelch subvert surrebut surrejoin swim upstream undermine upset work against