from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Law A bar preventing one from making an allegation or a denial that contradicts what one has previously stated as the truth.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A legal principle in the law of equity that prevents a party from asserting otherwise valid legal rights against another party because conduct by the first party, or circumstances to which the first party has knowingly contributed, make it unjust for those rights to be asserted.

from the GNU version of the Collaborative International Dictionary of English

  • n. A stop; an obstruction or bar to one's alleging or denying a fact contrary to his own previous action, allegation, or denial; an admission, by words or conduct, which induces another to purchase rights, against which the party making such admission can not take a position inconsistent with the admission.
  • n. The agency by which the law excludes evidence to dispute certain admissions, which the policy of the law treats as indisputable.

from The Century Dictionary and Cyclopedia

  • n. Stoppage; impediment.
  • n. In law, the stopping of a person by the law from asserting a fact or claim, irrespective of its truth, by reason of a previous representation, act, or adjudication inconsistent therewith.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a rule of evidence whereby a person is barred from denying the truth of a fact that has already been settled


from The American Heritage® Dictionary of the English Language, 4th Edition

Obsolete French estouppail, from Old French estouper, to stop up, from Vulgar Latin *stuppāre; see stop.


  • Former Tory Cabinet Minister Douglas Hogg says he and other MPs accused of abusing their allowances are entitled to keep their expenses based on the Norman law of 'estoppel' - derived from the French word for 'bung'.

    Home | Mail Online

  • This type of estoppel is most commonly called collateral estoppel.

    Legal Definitions

  • Equitable estoppel is appropriate where the plaintiff is prevented from filing an action within the applicable statute of limitations due to his or her reasonable reliance on deception, fraud or misrepresentations by the defendant.

    Personal Injury

  • No new separate and subsequent acts of wrongdoing beyond the sexually abusive acts themselves are alleged, and equitable estoppel is therefore inapplicable to these cases.

    New York Civil Procedure

  • Last week's term was promissory estoppel, which is defined as: promissory estoppel

    Define That Term #317

  • Last week's term was offensive collateral estoppel, which is defined as:

    Sui Generis--a New York law blog:

  • So the only question is estoppel, which is a judicial economy thing.

    The Volokh Conspiracy » Bobbie v. Bies:

  • Yesterday's term was equitable estoppel, which is defined as:

    Sui Generis--a New York law blog:

  • Since the court has already used the reliance language, it seems possible that the court will entertain some kind of estoppel claim.

    Bragg and IGE cases

  • "They have something called the estoppel defense where they can say that they were told by people like John Yoo and others that what they did was legal.

    Big bro 43 has put us on the wrong side of justice and history.


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