Definitions of frontier
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. 2
n. - An outwork. 2
a. - Lying on the exterior part; bordering; conterminous; as, a frontier town. 2
a. - Of or relating to a frontier. 2
v. i. - To constitute or form a frontier; to have a frontier; -- with on. 2
The word "frontier" uses 8 letters: E F I N O R R T.
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