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letter of last resort

Noun CEFR C2

Definitions

A handwritten letter from the British Prime Minister to the commanding officers of nuclear submarines, specifying the action to be taken if an enemy nuclear strike destroys the British government.

CEFR level

C2
Mastery
This word is part of the CEFR C2 vocabulary — mastery level.
See all C2 English words →

See also

letter of marque letter of marque and reprisal letter of mart letter of motivation letter of recall letter of recommendation

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