es·​top e-ˈstäp How to pronounce estop (audio)
estopped; estopping

transitive verb

archaic : to stop up
: bar
specifically : to impede by estoppel

Word History


Middle English estoppen, from Anglo-French estoper, estuper, from Vulgar Latin *stuppare to stop with a tow — more at stop

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of estop was in the 15th century

Dictionary Entries Near estop

Cite this Entry

“Estop.” Dictionary, Merriam-Webster, Accessed 7 Feb. 2023.

Legal Definition


transitive verb
es·​top es-ˈtäp How to pronounce estop (audio)
estopped; estopping
: to impede or bar by estoppel

History and Etymology for estop

Anglo-French estop(p)er, literally, to stop up, from Middle French estouper, ultimately from Latin stuppa hemp fiber (used for plugging holes)

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