Familiar, famous, renowned or widely known. / (computing, not comparable) Generally recognised; reserved for some usual purpose.

(transitive) To announce (some information) generally. / (transitive) To disclose (a secret).

comparative form of well-known: more well-known

superlative form of well-known: most well-known

Used to introduce an alternative name; alias.

The part of the physical universe that is known by observation or inference.

plural of known universe

A certainty of unknown magnitude, consequence, structure, and probability characteristics; something that we don't know that we know.

An uncertainty of known magnitude, consequence, structure, and probability characteristics; something that we know that we don't know.

plural of known unknown