Definition of known in English:


Line breaks: known
Pronunciation: /nəʊn
past participle of know


1Recognized, familiar, or within the scope of knowledge: plants little known to western science the known world
More example sentences
  • It is not known when and if he will return and whether he will again take to the airwaves.
  • The last known fact about her life is that she was picked up by a man from the Biltmore hotel.
  • The seeds are crushed into a powder and there is no known antidote for the fatal solution.
1.1 [attributive] Publicly acknowledged to be: a known criminal
More example sentences
  • Police also spoke to a known criminal in Fife who was said to be willing to kill for money.
  • As so often with these cases, the trial of Bargh revealed he was a known sex offender.
  • Mr Burgess was a known heroin addict in the town who had a string of criminal convictions.
recognized, well known, widely known, generally known, publicly known, noted, celebrated, notable, notorious;
1.2 Mathematics (Of a quantity or variable) having a value that can be stated.
More example sentences
  • There have been no major changes since last season, so we are dealing with a known quantity.
  • The mass of Pluto is now known accurately since a satellite Charon has been discovered.
  • If the ratio of the two parts of a given number is known, then each of them can be found.

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