vitiate

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Vitiate

To impair or make void; to destroy or annul, either completely or partially, the force and effect of an act or instrument.

Mutual mistake or Fraud, for example, might vitiate a contract.

vitiate

verb abolish, abrogate, annul, blight, cancel, counteract, damage, depravare, destroy, disannul, impair, injure, invalidate, make faulty, make imperfect, make immure, make ineffective, make void, mar, negate, negative, neutralize, nullify, overturn, pervert, poison, pollute, quash, render defective, render inefficacious, rescind, reverse, spoil, sully, tamper with, undo, vitiare, weaken
Foreign phrases: Crimen omnia ex se nata vitiat.Crime viiiates all that is born of it.
See also: abolish, adulterate, annul, contaminate, corrupt, damage, debase, debauch, degenerate, denature, deteriorate, disable, dissolve, impair, infect, invalidate, neutralize, nullify, pervert, pollute, revoke, spoil, subvert, sully, taint, terminate

vitiate

to destroy the force or legal effect of, for example, a deed.
References in periodicals archive ?
Pakistan believes that such incidents are vitiating the friendly relations and creating avoidable tension between the two brotherly countries, said the press release by foreign office on Thursday.
It reasoned the IRS did not need to issue a deficiency notice to assess the tax, "[b]ecause the tax was reported on the return," and both parties were aware of the unpaid tax liability, thus vitiating Congress's concern that taxpayers would submit premature requests for relief before the Service had asserted that additional taxes were owed.
It is such gross, vitiating contradictions that reveal the origin of biblicism to be essentially nontheological.
Second, publication of these agreements would significantly impair taxpayer rights, vitiating both section 6103 and the common law right of privacy, while providing precious little useful guidance to the public.