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frontier
used in a sentence

2 meanings
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1  —as in:
the frontier of Tibet
Definition an international boundary or a wilderness at the edge of a settled area
  • Indian soldiers and technicians assisted in staffing some of the checkposts on the frontier with Tibet.
frontier = an international boundary or a wilderness at the edge of a settled area
Other Uses (with this meaning)
  • They pass freely through mountain passes along the Afghanistan-Pakistan frontier.
  • frontier = an international boundary or a wilderness at the edge of a settled area
  • The frontiers between the three super-states are in some places arbitrary, and in others they fluctuate according to the fortunes of war, but in general they follow geographical lines.
    George Orwell  --  1984
  • frontiers = international boundaries
  • In his life, his living life, he go over the Turkey frontier and attack his enemy on his own ground.
    Bram Stoker  --  Dracula
  • frontier = national border
  • Alaska has long been a magnet for dreamers and misfits, people who think the unsullied enormity of the Last Frontier will patch all the holes in their lives.
    Jon Krakauer  --  Into the Wild
  • frontier = wilderness area
  • To the European world the whole province was a barbaric frontier inhabited by a sect of fanatics who, nevertheless, were shipping out products of slowly increasing quantity and value.
    Arthur Miller  --  The Crucible
  • frontier = a wilderness area starting to be settled
  • All of them, all except Phineas, constructed at infinite cost to themselves these Maginot Lines against this enemy they thought they saw across the frontier, this enemy who never attacked that way—if he ever attacked at all; if he was indeed the enemy.
    John Knowles  --  A Separate Peace
  • frontier = an international boundary or a wilderness at the edge of a settled area
  • I remember the portrait of him up in Gatsby's bedroom, a gray, florid man with a hard, empty face — the pioneer debauchee, who during one phase of American life brought back to the Eastern seaboard the savage violence of the frontier brothel and saloon.
    F. Scott Fitzgerald  --  The Great Gatsby
  • frontier = a wilderness area starting to be settled
  • He must, indeed, have been that Voivode Dracula who won his name against the Turk, over the great river on the very frontier of Turkeyland.
    Bram Stoker  --  Dracula
  • frontier = national border
  • Aye, and more than that, endless duty of the frontier guard, for as the Turks say, 'water sleeps, and the enemy is sleepless.'
    Bram Stoker  --  Dracula
frontier = national border

Dictionary / pronunciation — Google®Dictionary list — Onelook.com®
2  —as in:
the frontier of brain science
Definition the most recent understandings and achievements in a changing field
  • She wants to extend the frontiers of voice-controlled computer applications.
frontiers = the most recent understandings and achievements in a changing field
Other Uses (with this meaning)
  • The company is extending the frontier of driverless cars.
  • frontier = the most recent understandings and achievements in a changing field
  • The frontier of hope that we all innately pursue will never close.
    Alan Greenspan  --  The Age of Turbulence

Dictionary / pronunciation — Google®Dictionary list — Onelook.com®
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