Key stone Synonyms

Definitions for Key


  • (adjective) coming before all others in importance
  • (adjective) of the greatest possible importance
  • (noun) an explanatory list of the symbols on a map or chart

Definitions for Stone


  • (adjective) having no exceptions or restrictions
  • (noun) a shaped stone laid over or erected near a grave and usually bearing an inscription to identify and preserve the memory of the deceased
  • (verb) to make sharp or sharper