known unknown
nounEtymology
Popularized by Donald Rumsfeld in 2002, though used much earlier.
Definitions
An uncertainty of known magnitude, consequence, structure, and probability characteristics
An uncertainty of known magnitude, consequence, structure, and probability characteristics; something that we know that we don't know.
The neighborhood
Vish — recursive loop
No curated loop yet for known unknown. Loops are being traced one word at a time while the ingestion pipeline matures.
sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA