Rivaling frontier Synonyms

Synonyms for phrase

RF abbreviation

RF is an abbreviation for Rivaling Frontier
What does RF stand for?
RF stands for "Rivaling 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