annul

v

1. nullify, disannul, abolish, declare null and void, render null and void, void, avoid; quash, invalidate, vacate, disenact, disestablish, cancel, discharge, supersede, set aside; repeal, revoke, reverse, Law. disaffirm, rescind, abrogate; Law. nol-pros, break off, stop, discontinue, suspend.

2. recant, retract, withdraw, recall, undo; go back on one's word, renege, back-pedal, eat one's words; renounce, abjure, repudiate, disclaim, disavow; countermand, counterorder, overrule, override, counteract, contravene; terminate, dissolve, put an end to, bring to an end.

3. eliminate, do away with, destroy, extinguish, efface, wipe out; obliterate, reduce to nothing, annihilate, eradicate, expunge, extirpate, exterminate; blot out, stamp out, crush out, sweep away.