Invalidate

Verb

 * 1) To make invalid.  Esp. applied to contract law.
 * The circuit court judge's ruling was invalidated by a superior judge.

Thesaurus
abate, abolish, abrogate, annihilate, annul, belie, blow sky-high, blow up, bring to naught, bring to nothing, buffer, cancel, cancel out, come to nothing, counterbalance, countermand, counterorder, deflate, disannul, disconfirm, discredit, disprove, disqualify, do away with, explode, expose, frustrate, make void, negate, negativate, negative, neutralize, nullify, offset, override, overrule, prove the contrary, puncture, quash, recall, recant, renege, repeal, rescind, retract, reverse, revoke, set aside, show up, stultify, suspend, thwart, undercut, undo, unfit, vacate, vitiate, void, waive, withdraw, write off

Etymology
From  valere:; literally, “to make not strong”.

Translations

 * Catalan:
 * Finnish:


 * French: invalider
 * Swedish: ogiltigförklara

Verb
invalidate