Unknown unknown

Noun

Word Frequency: 0.2

Definitions

1.NounAn uncertainty of unknown magnitude, consequence, structure, and probability characteristics, possibly with completely unsuspected existence; something that we don't know that we don't know.

Synonyms

known unknown unk-unk as-yet-unknown unknown quantity unknowable unknown number indeterminable don't know uncertain unpredictable something imponderable

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