nullify

Synonyms

abate, abolish, abrogate, annul, avoid, cancel, dissolve, invalidate, negate, null, quash, repeal, rescind, roll back, strike down, vacate, void;

Near Antonyms

enact, lay down, legislate;

establish, found, institute;

formalize, legalize, legitimate, legitimize, validate;

pass, ratify;

allow, approve, authorize, clear, endorse (also indorse), permit, sanction, warrant;

command, decree, mandate, order, prescribe;

Related Words

countermand, override, overrule, overturn, veto;

abort, call, call off, drop, recall, retract, reverse, revoke, suspend, withdraw;

ban, enjoin, forbid, outlaw, prohibit;

disallow, dismiss, reject;

annihilate, break down, eliminate, eradicate, erase, liquidate, remove, throw out, write off;

Phrases

do away with, set aside;