abandon abjure abstain answer answer conclusively argue down assert the contrary avoid back down back out backwater ban bar be contrary to begrudge belie brush aside call into question challenge chuck chuck out climb down close the hand confound confute constrain contemn contest contradict contravene controvert counter crawfish out cross crush curb debar decline defeat demolish desert despise disaffirm disallow disapprove disavow disbelieve discard disclaim discount discredit disdain dismiss disown dispose of disprove dispute disregard eat crow eat humble pie embargo enjoin eschew except exclude exclude from finish floor forbear forbid forgo forsake forswear gag on gainsay grudge hold back ignore impugn inhibit interdict join issue upon keep back misbelieve negate negative nonplus not accept not admit not believe not buy not swallow nullify oppose oppugn outlaw overthrow overturn overwhelm parry pass by pass up preclude prevent prohibit proscribe push aside put to silence rebuff rebut recall recant reduce to silence refrain refuse refuse to admit refuse to consider refuse to credit refute reject renege renounce repel repress repudiate repulse restrain retract revoke rule out sacrifice say no to scout settle shove away shun shut out shut up silence smash all opposition spurn squash squelch subvert suppress swallow taboo take back take issue with throw away throw out traverse turn away turn down turn out unbelieve undermine unsay upset waive withdraw withhold