Synonyms of invalidate

1 Syllable

nix, nig, quash

2 Syllables

weaken, subvert, offset, annul, unarm, undo, uncloak, rewind, impairs, rebut, disarms, annuls, bleeped, rewound, impair, weakens, renig, disarm, rescind, bleeping, unfit, cancel, x-out

3 Syllables

circumduct, disannul, torpedoing, refuting, disable, unbrace, renigging, confute, disproved, revoke, overset, vitiating, discredit, refuted, disconfirm, revoking, unbraced, subverted, disarmed, negate, annulling, weakening, disprove, nullifying, refute, confuting, confuted, repealed, impairing, unshrouded, nullified, vitiated, vitiate, countercheck, torpedoed, outvoting, rewinding, countervail, unbracing, disabling, disproving, rescinded, subverting, negating, rebutted, overturns, overthrow, renigged, outvote, uncloaked, rewinded, overturn, revoked, negated, annulled, rescinding, abolish, rebutting, nullify, abate, counteract

4 Syllables

neutralize, disestablish, unstrengthened, countervailing, overrode, disqualifies, disfranchising, counteracting, disfranchise, disentitle, backwatered, abrogate, abrogating, neutralizing, disqualifying, disconfirming, watergate, abolished, counterorder, disqualified, negative, disfranchised, overridden, counteracted, abrogated, undermine, neutralized, abolishing, overruled, overruling, oversetting, overrule, abolishes, overturning, disqualify

5 Syllables

counterbalance, disestablished, disestablishing, annihilate, immobilize, eliminating, immobilized, annihilating, overbalance, annihilated, eliminated, immobilizing, eliminate