frontier

Synonyms and Antonyms of frontier

1 a region along the dividing line between two countries
  • the Apaches were once feared on both sides of the U.S.-Mexico frontier
Synonyms of frontier
Words Related to frontier
2 a rural region that forms the edge of the settled or developed part of a country
  • Alaska has been called America's last frontier
Synonyms of frontier
Words Related to frontier
Phrases Synonymous with frontier