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

(law) 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.


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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