known known

English dictionary entry

Meanings

noun
  1. Certainties of known magnitude, consequence, structure, and probability characteristics; something that we know that we know.

Word forms

known known known knowns

Etymology

Popularized by Donald Rumsfeld in 2002, though used much earlier.

This entry uses open data from Wiktionary (CC BY-SA/GFDL). Word forms are used for search and are not indexed as separate pages.