Something that indicates a border or limit.
The outer edge, border, or margin
An area or expanse outside cities and towns; a rural area:
Heavily wooded, uncultivated, thinly settled areas.
An indefinite area intermediate between two qualities or conditions:
The third month of the year, having 31 days
A settlement on a frontier or border
(Mathematics) The length of such a boundary.
The line or area separating geopolitical units
A major city, especially the chief city of a country or region:
A vague or uncertain condition that is not quite one thing or the other
An area far from big cities and towns; backcountry
A similar region, as in Canada or Australia, without the status of a province or state
Find another word for frontier. In this page you can discover 24 synonyms, antonyms, idiomatic expressions, and related words for frontier, like: border, edge, boundary, outskirts, verge, limit, country, backwoods, borderline, bound and march.