Impenetrable stone Synonyms

Impenetrable replaced

Definitions for Impenetrable


  • (adjective) impossible to get through or into
  • (adjective) being beyond one's powers to know, understand, or explain
  • (adjective) impossible to understand

Synonyms for phrase

IS abbreviation

IS is an abbreviation for Impenetrable Stone
What does IS stand for?
IS stands for "Impenetrable Stone"

Stone replaced

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