Meanings
nounRumsfeld matrix (plural Rumsfeld matrixes or Rumsfeld matrices)
plural Rumsfeld matrixes · plural Rumsfeld matrices
- A grid that divides risks into known knowns, known unknowns, unknown knowns, and unknown unknowns.
Origin
Named after Donald Rumsfeld.
Full word history & related roots →Cite this entry
APA
Rumsfeld matrix. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Rumsfeld%20matrix
MLA
“Rumsfeld matrix.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Rumsfeld%20matrix. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “Rumsfeld matrix,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Rumsfeld%20matrix.
Source: Rumsfeld matrix on Wiktionary, CC BY-SA 4.0.