FRONTIER Definition & Meaning

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frontier

[ fruhn-teer, fron-; also, especially British, fruhn-teer ]

Phonetic (Standard)IPA

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.
1. the limit of knowledge or the most advanced achievement in a particular field:
  the frontiers of physics.
2. 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

1. the region of a country bordering on another or a line, barrier, etc, marking such a boundary
2. ( as modifier )
  a frontier post
1. the edge of the settled area of a country
2. ( 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 51�Թ� Forms

�ڰ��ǲ�·�پ��l�� adjective
�ڰ��ǲ�·�پ��l�� adjective
��i·�ڰ��ǲ�·�پ�� noun
�ٰ��Բ��Э��ǲ�·�پ�� adjective

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51�Թ� History and Origins

Origin of frontier¹

1350–1400; Middle English frounter < Old French frontier, equivalent to front (in the sense of opposite side; front ) + -ier -ier ²

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51�Թ� History and Origins

Origin of frontier¹

C14: from Old French frontiere , from front (in the sense: part which is opposite); see front

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Synonym Study

See boundary.

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Example Sentences

Examples have not been reviewed.

“This investment helps us push the frontier and make AI more useful in everyday life.”

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“This investment helps us push the frontier and make AI more useful in everyday life,” said OpenAI’s Chief Executive Sam Altman in a statement.

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For the past decade, the mining industry has argued that the ocean floor is an essential frontier for rare-earth metals needed in the batteries used in cellphones and laptops.

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Putting aside the emptiness of GOP committee members’ concern over youngsters being more harmed by anything on PBS than the vast frontier of the notoriously family-friendly Internet, the entire display was a sham.

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The new global reality means further uncertainty, but also creates a potential significant upside for a stable, rules-based advanced economy with cutting-edge frontier science, research and financial services.

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