invalidate [in'vælideit]

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vt. ʹ��Ч��ʹ�޼�ֵ

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v. annul��cancel��nullify��vitiate

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v.   formalise��formalize��validate

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1. Does this invalidate the distinction between good and evil?
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2. Those who seek to belittle, invalidate argue, harm or violate are non-supportive types of humans.
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3. Chadha appeared to invalidate all of the nearly 200 legislative veto devices that were then on the books.
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v.
  1. declare invalid
  2. make invalid for use
  3. show to be invalid
  4. take away the legal force of or render ineffective

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invalidate
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write invalidate
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Invalidate instruction TLB
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to invalidate a visa
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invalidate a statute
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