Failsafe key Synonyms

Failsafe replaced

Synonyms for phrase

FK abbreviation

FK is an abbreviation for Failsafe Key
What does FK stand for?
FK stands for "Failsafe Key"

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