known

Meanings

1. 1
   adj

   apprehended with certainty

   I have a known quantity of peanut butter at home.

2. 2
   adj

   Identified as a specific type; famous, renowned.

   He was a known pickpocket.

3. 3
   adj

   Accepted, familiar, researched.

   At the time, Einstein's theory was unknown to most other scientists.

4. 4
   noun

   Any fact or situation which is known or familiar.

   You have to tell the knowns from the unknowns.

5. 5
   noun

   A constant or variable the value of which is already determined.

6. 6
   verb

   past participle of know

Etymology

From Middle English knowen, from Old English cnāwen (past participle). Morphologically know + -n.