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Meaning of known unknown | Babel Free

Noun CEFR B2

Definitions

An uncertainty of known magnitude, consequence, structure, and probability characteristics; something that we know that we don't know.

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

known-plaintext attack knownness knownothingness Knows Knowsley Knowsthorpe