Word Meaning

frontier definition and meaning

n. 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.
n. An outwork.
a. Lying on the exterior part; bordering; conterminous; as, a frontier town.
a. Of or relating to a frontier.
v. i. To constitute or form a frontier; to have a frontier; -- with on.

Crossword clues for frontier

- Border