Annul

مترادف و متضاد annul

1. verb void an agreement
   Synonyms: abate, abolish, abrogate, annihilate, blot out, call off, cancel, countermand, declare, delete, discharge, dissolve, efface, erase, expunge, get off the hook, invalidate, kill, negate, neutralize, nix, nullify, obliterate, quash, recall, render null and void, repeal, rescind, retract, reverse, revoke, scrub, undo, vacate, vitiate, wipe out
   Antonyms: keep, restore, retain, revalidate, validate