Fifth key Synonyms

Definitions for Fifth


  • (adjective) coming next after the fourth and just before the sixth in position
  • (noun) position five in a countable series of things
  • (noun) one part in five equal parts

FK abbreviation

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

Key replaced

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