invalidate definition

  • verb-transitive:
    • to produce invalid; nullify.
    • To make invalid; to damage or minimize the force of; to destroy the authority of; to render of no force or effect; to overthrow.
  • verb:
    • In order to make invalid. Esp. placed on contract law.
    • program to be invalid
    • take away the legal force of or render ineffective
    • declare invalid
    • make invalid for usage
  • others:
    • To make invalid; destroy the power or quality of; render of no force or result.
    • Specifically In law, to rob of binding force or legal efficacy: as, fraud invalidates a contract.

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