Definitions of frontier

  1. To place on the frontier: to guard or invest on the frontier. " Now that it is no more a border nor frontiered with enemies."- Spenser.
  2. To constitute or form a frontier; to have a frontier; - with on.
  3. To form or constitute a frontier to possess territories bordering on or constituting a frontier- with on or upon.
  4. an undeveloped field of study; a topic inviting research and development; " he worked at the frontier of brain science"
  5. an international boundary or the area ( often fortified) immediately inside the boundary
  6. An outwork.
  7. The boundary or limit of a country; the most remote settled part of a country, facing an unexplored region.
  8. That part of a country which fronts or faces another country; the confines or extreme part of a country bordering on another country; the marches; the border: a fort; a fortification; " Of pallisadoes, frontiers, parapets."- Shak.: the forehead; " Then on the edges of their bolster'd hair, which standeth crested round their frontiers, and hangeth over their faces."- Stubbes.
  9. Boundary of a country.
  10. The border of a country; the confines of civilization.
  11. The confines or extreme part of a country bordering on another country.
  12. The boundary of a country or state; the parts adjacent to a boundary of a country.
  13. on the American frontier; " one of the last real frontier towns"; " hardships of frontier life"
  14. That part of a country which fronts or faces another country or an unsettled region; the marches; the border, confine, or extreme part of a country, bordering on another country; the border of the settled and cultivated part of a country; as, the frontier of civilization.
  15. Lying on the exterior part; bordering; conterminous; as, a frontier town.
  16. Pertaining to, or situated near, the boundary of a country.
  17. Of or pertaining to, or acquired on a frontier: lying on the exterior part: bordering: conterminous; as, a frontier town. " Frontier experience."- IV. Irving. " They thus remained till new dangers made it expedient for Russia to reassemble them, and she formed a frontier militia of their tribes."- Brougham.
  18. Bordering; lying on or near the boundary.
X