Siberian frontier Synonyms

Definitions for Siberian


SF abbreviation

SF is an abbreviation for Siberian Frontier
What does SF stand for?
SF stands for "Siberian Frontier"

Definitions for Frontier


  • (adjective) located at or near a border
  • (noun) a region along the dividing line between two countries
  • (noun) a rural region that forms the edge of the settled or developed part of a country