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frontier
[ fruhn-teer, fron-; also, especially British, fruhn-teer ]
noun
- the part of a country that borders another country; boundary; border.
- the land or territory that forms the furthest extent of a country's settled or inhabited regions.
- Often frontiers.
- 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.
- Mathematics. boundary ( def 3 ).
adjective
- of, relating to, or located on the frontier:
a frontier town.
frontier
/ frʌnˈtɪə; ˈfrʌntɪə /
noun
- the region of a country bordering on another or a line, barrier, etc, marking such a boundary
- ( as modifier )
a frontier post
- the edge of the settled area of a country
- ( as modifier )
the frontier spirit
- often plural the limit of knowledge in a particular field
the frontiers of physics have been pushed back
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Other Words From
- fron·tierless adjective
- fron·tierlike adjective
- semi·fron·tier noun
- transfron·tier adjective
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Word History and Origins
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Word History and Origins
Origin of frontier1
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Synonym Study
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Example Sentences
Privacy advocates such as the Electronic Frontier Foundation say everyone should use it.
A cousin took me to the National Frontier Trail Museum, where I jotted down dutiful notes.
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.
And it was no light task, then, for six hundred men to keep the peace on a thousand miles of frontier.
He was long engaged in sanguinary war with the Turks and the French, who pillaged and destroyed his frontier towns.
Next morning Rome rang with the affair; by noon all three Englishmen were safely over the frontier.
The wild frontier life had drawn him in and under, as in a whirlpool; but he was New Englander yet at heart.
Ten victories would not cost as much as the first week's march towards the frontier.
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