What is the meaning of invalidate?

verb

  • Declare invalid.
    • usage: "The contract was annulled"; "void a plea"
  • Make invalid for use.
    • usage: "cancel cheques or tickets"
  • Show to be invalid.
  • Take away the legal force of or render ineffective.
    • usage: "invalidate a contract"
WordNet 3.0 © 2006 by Princeton University
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APAWordNet. (2010). Invalidate. Retrieved September 22, 2026, from http://smartdefine.org/invalidate/definitions/1287486
ChicagoWordNet. 2010. "Invalidate" http://smartdefine.org/invalidate/definitions/1287486 (accessed September 22, 2026).
HarvardWordNet 2010, Invalidate, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/invalidate/definitions/1287486>.
MLAWordNet. "Invalidate" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/invalidate/definitions/1287486>
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