Englishveto
noun
the president still has the power of veto over Congressional legislation:
rejection, vetoing, dismissal, denial, declination, turndown;
prohibition, prohibiting, proscription, preclusion, restriction, suppression, stoppage;
embargo, ban, boycott, bar, interdict;
informal thumbs down, red light, knock-back.
▷antonyms approval, OK.
verb
the president carried out his threat to veto the bill:
reject, turn down, throw out, dismiss, say ‘no’ to, rule against, overrule, rule out, quash;
prohibit, forbid, interdict, proscribe, disallow, outlaw, embargo, place an embargo on, ban, bar, block, preclude, put a stop to, put an end to, stop, nullify, declare null and void;
informal kill, squash, put the kibosh on, give the thumbs down to, give the red light to.
▷antonyms approve, authorize.
veto Oxford Dictionary of English