Estoppel Definition

The barring of a person, in a legal proceeding, from making allegations or denials which are contrary either to a previous statement or act by that person or to a previous adjudication.
Webster's New World
A bar that prevents a person from presenting evidence contradicting a certain established fact.
American Heritage
A doctrine that holds, under certain circumstances, that a claim or assertion cannot be made if it contravenes a prior claim or assertion of the same party, or if it contradicts the factual holding of a court whose decision is not directly binding on the parties.
Webster's New World Law
Estoppel is defined as a legal principle that stops someone from asserting a truth that is defined as contradictory to an already established truth.
If the court has established in a criminal trial that someone is guilty of murder, the legal doctrine preventing the murderer from denying his guilt in a civil trial is an example of estoppel.
A doctrine that prevents a party from pleading lack of consideration as an affirmative defense, if that party made a statement upon which the other party foreseeably relied to his or her detriment.
Webster's New World Law
Estoppel created by the findings of another court upon the same facts, even though the other proceeding did not involve all of the same parties or was otherwise not directly binding on the current court.
Webster's New World Law
At equity, the doctrine that a party who has caused another harm in reliance on the party’s promise or statement, may be barred from taking certain actions to escape liability for such harm.
Webster's New World Law
An estoppel created by the failure to speak of a party who had an obligation to do so.
Webster's New World Law

Other Word Forms of Estoppel



Origin of Estoppel

  • From Old French estoupail or estopail, a bung made of oakum (étoupe), from Latin stuppa ("flax, tow"), from Ancient Greek στύππη (stuppē).

    From Wiktionary

  • Obsolete French estouppail from Old French estouper to stop up from Vulgar Latin stuppāre stop

    From American Heritage Dictionary of the English Language, 5th Edition


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