What does estopped mean?
"Estopped" is the past tense and past participle of the verb "estop," a term drawn almost entirely from the vocabulary of the law. To be estopped is to be legally barred from making an argument, claim, or denial because it would contradict something you previously asserted or did — for instance, a party who signed a contract may be estopped from later claiming it never applied to them. The word nearly always appears in the passive voice, in the fixed construction "estopped from" plus a gerund: "he was estopped from denying liability." It belongs to formal legal register, appearing chiefly in statutes, judgments, and contracts, alongside its companion noun "estoppel," which names the doctrine itself. The underlying idea is fairness: the law will not let a person profit from inconsistency between their words and their claims.
verbPast tense and past participle of "estop": to bar or prevent a person from asserting a claim or right that contradicts what they have previously said or done, especially in law.
- (Law) Barred from asserting or denying something because of one's own prior statements, conduct, or representations — the past tense of "estop".
"Having signed the agreement, the company was estopped from denying its terms."
"The landlord was estopped from evicting the tenant after accepting rent for years."
"Because she had publicly endorsed the plan, she was estopped from opposing it in court."
If you ever claimed something in court and changed your mind, the doctrine of estoppel means your own earlier words can legally silence you.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of estopped
"Estop" comes from Old French "estopper" (from Norman French), meaning "to stop up" or "bar," ultimately related to the same Germanic root as English "stop." It entered English legal usage in the medieval period through Anglo-Norman law, which is why it survives today almost exclusively in legal contexts. The noun "estoppel" was formed directly from the verb, denoting the bar itself.
Related word forms
How estopped is actually used
Strictly legal register; almost exclusively found in legal writing, contracts, and court opinions. Always used in the passive construction with "from": someone is "estopped from doing" something.
Easily confused with estopped
"Stopped" is the everyday past tense of "stop" meaning to cease movement or activity, while "estopped" is a legal term meaning barred by one's own prior words or conduct.
"Estoppel" is the noun naming the legal doctrine itself, while "estopped" is the verb form describing a person being subject to it.