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1. Oxford American Dictionary

   invalidate

   • IPA[inˈvaləˌdāt]

   美式

   • v.
     make (an argument, statement, or theory) unsound or erroneous.；deprive (an official document or procedure) of legal efficacy because of contravention of a regulation or law

   • verb: invalidate, 3rd person present: invalidates, gerund or present participle: invalidating, past tense: invalidated, past participle: invalidated

2. • 釋義

   v.

   動詞

   • 1. make (an argument, statement, or theory) unsound or erroneous. 同義詞 disprove, show/prove to be false, refute, explode, contradict, ... 更多rebut, negate, gainsay, belie, give the lie to, discredit, expose, debunk, knock the bottom out of, drive a coach and horses through, weaken, undermine, compromise, informalshoot full of holes, shoot down (in flames), formalconfute, negative反義詞 validate, support
   • 2. deprive (an official document or procedure) of legal efficacy because of contravention of a regulation or law a technical flaw in her papers invalidated her nomination 同義詞 render invalid, void, nullify, annul, negate, ... 更多cancel, quash, veto, overturn, overrule, override, undo, reverse, revoke, rescind, abolish, repeal, repudiate, terminate反義詞 validate
3. • 更多解釋

   invalidate

   • IPA[ɪnˈvalɪdeɪt]

   英式

   • v.
     make or prove (an argument, statement, or theory) unsound or erroneous.

   Oxford Dictionary