Invalidate

مترادف و متضاد invalidate

1. verb render null and void
   Synonyms: 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, X-out
   Antonyms: approve, permit, validate