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Definitions of invalidate:
  • verb:   declare invalid
  • verb:   take away the legal force of or render ineffective
    Example: "Invalidateas a contract"
  • verb:   show to be invalid
  • verb:   of cheques or tickets

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Search for invalidate at other dictionaries: OneLook, Oxford, American Heritage, Merriam-Webster, Wikipedia

See invalidate used in context: 1 poetry verse, 4 definitions

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