say it: nohn
known is an adjective meaning "apprehended with certainty". It is pronounced /ˈnoʊn/ — nohn. It carries one recorded sense.
apprehended with certainty
“a known quantity”
“the limits of the known world”
“a musician known throughout the world”
“a known criminal”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for known come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.