Meanings
noununknown known (plural unknown knowns)
plural unknown knowns
- A certainty of unknown magnitude, consequence, structure, and probability characteristics; something that we don't know that we know.
Cite this entry
APA
unknown known. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/unknown%20known
MLA
“unknown known.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/unknown%20known. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “unknown known,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/unknown%20known.
Source: unknown known on Wiktionary, CC BY-SA 4.0.