Synonyms and related words :
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