| Main Entry: | |
| Part of Speech: | verb |
| Definition: | render null and void |
| Synonyms: | X-out, abate, abolish, abrogate, annihilate, annul, blow sky-high, cancel, circumduct, counteract, counterbalance, disannul, discredit, disqualify, impair, negate, negative, neutralize, nix, nullify, offset, overrule, overthrow, quash, refute, revoke, shoot full of holes, undermine, undo, unfit, weaken |
| Antonyms: | approve, permit, validate |