frustrate
A2CEFR level
12/100Rarity: common
TechnicalRegister
To bring a contract to an end automatically because an unforeseen event makes performance radically different.
The outbreak of war frustrated the charterparty, discharging both sides from further performance.
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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