overrule

veto

balk (at), decline, deselect, disapprove, negative, nix, pass, pass up, refuse, reject, reprobate, repudiate, spurn, throw out, throw over, turn down

blow off, disdain, rebuff, scorn, scout, shoot down

forbid, prohibit, proscribe

dismiss, ignore

abstain (from), forbear, refrain (from)

deny, disavow, disclaim, dispute, gainsay

stick

abjure, forswear (also foreswear), recant, renounce, retract, take back, unsay, withdraw

avoid, bypass, detour

contradict, deny, disown, negate

controvert, disagree (with), disprove, dispute, rebut, refute

back down, back off, backtrack

disallow, recall, renege, revoke