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Definition remove the legal force of something; or render something ineffective — especially an argument
  • And as instantly deciding that he, Clyde's spiritual adviser, must not in any way be invalidated in his spiritual worth to Clyde.
    Theodore Dreiser  --  An American Tragedy
  • His deeds invalidate all the contracts.
    Jean-Baptiste Poquelin Moliere  --  Tartuffe
  • These contracts may not involve direct fraud or deceit sufficient to invalidate them in a court of law.
    Alexander Hamilton, James Madison, & John Jay  --  The Federalist Papers — Modern English Edition 2
  • Both kinds demand that you invalidate your own consciousness and surrender yourself into their power.
    Ayn Rand  --  Atlas Shrugged
  • This mistake, he wanted to make certain, should not invalidate what occurred on October 5 and the corroborating evidence of Officer Clapper.
    Alice Sebold  --  Lucky
  • An invalid, one who has been invalidated.
    Margaret Atwood  --  The Handmaid's Tale
  • The ruling invalidated Walter's conviction and death sentence.
    Bryan Stevenson  --  Just Mercy
  • If you shorten the intervals, you invalidate the inspections.
    Andy Weir  --  The Martian
  • It completely invalidates Vacher's theories and means that Ladin was actually a genius.
    Christopher Paolini  --  Eldest
  • Thomas winced; Frypan had gone too far with that recommendation, almost invalidating his well-stated opinion of the whole mess.
    James Dashner  --  The Maze Runner
  • Your estimate of the papa's sensibilities is a good reason until it is invalidated.
    Henry James  --  The American
  • I catch myself questioning whether that weekend even happened at all, or if it was just another invalidated memory of mine that may not even be real.
    Colleen Hoover  --  Hopeless
  • Without invalidating anything that we have just said, we believe that a perpetual memory of the tomb is proper for the living.
    Victor Hugo  --  Les Miserables
  • That is, we are so persuaded of the rightness of our judgment as to invalidate evidence that does not confirm us in it.
    William P. Young  --  The Shack
  • Some of these are worth pointing out, not because they invalidate his main charge but because they are, so to speak, evidence of malice.
    George Orwell  --  Lear, Tolstoy and the Fool
  • To do so invalidates this contract.
    Henry H. Neff  --  The Fiend And The Forge
  • One piece of really good news is this: All of yesterday's evaluations have been invalidated.
    Lauren Oliver  --  Delirium
  • It doesn't invalidate the thought.
    Robert Ludlum  --  The Bourne Supremacy
  • As a result, much of the expanse and variety of the human condition is belittled or invalidated.
    Luis J. Rodriguez  --  Always Running
  • Dear Madam, The document you enclose is quite in order, and the fact of the marriage having taken place in a foreign country does not invalidate it in any way.
    Agatha Christie  --  Early Cases Of Hercule Poirot

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