estop
C2CEFR level
85/100Rarity: very rare
TechnicalRegister
To bar a party from alleging or denying a fact because of its own prior conduct or representation.
Having accepted the rent for years, the landlord was estopped from denying the tenancy.
Rarity runs from 0 (a word everyone knows) to 100 (almost never seen outside specialist or literary writing). Level is the word's real difficulty on the CEFR scale, from A1 to C2.
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