frontier
noun
- the limit of knowledge or the most advanced achievement in a particular field: the frontiers of physics.
- an outer limit in a field of endeavor, especially one in which the opportunities for research and development have not been exploited: the frontiers of space exploration.
adjective
Origin of frontier
Synonym study
Related Words for frontier
perimeter, march, borderline, bound, confines, edge, limit, verge, borderland, boondocks, outskirts, unknown, outback, backwoods, bush, hinterland, backwater, backcountry, booniesExamples from the Web for frontier
Contemporary Examples of frontier
She went ahead and flew on Frontier Flight 1143 from Cleveland back to Dallas.
Nothing but watch, that is, and prevent Kurdish reinforcements from crossing the frontier to help defend Kobani.
A guy with a baseball cap tells me that the frontier one closed last month.
At a minimum it could boost the number of troops it has patrolling the 900-kilometer frontier, Yavuz told The Daily Beast.
They said that on August 23 they had arrived by train in the Rostov region of Russia near the Ukraine frontier.
Historical Examples of frontier
The agitations and vexations of other governments stop at the Austrian frontier.
They may throw a sidelight on the great drama of frontier war.
The Story of the Malakand Field ForceSir Winston S. Churchill
Thence we have followed it to Mardan and across the frontier.
The Story of the Malakand Field ForceSir Winston S. Churchill
Thus the Mohmands cross the frontier and the action of Shabkadr is fought.
The Story of the Malakand Field ForceSir Winston S. Churchill
The dead man, they said, had desired to be buried across the frontier.
The Story of the Malakand Field ForceSir Winston S. Churchill