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View synonyms for

frontier

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

noun

  1. the part of a country that borders another country; boundary; border.
  2. the land or territory that forms the furthest extent of a country's settled or inhabited regions.
  3. 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.

  4. Mathematics. boundary ( def 3 ).


adjective

  1. 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

  1. often plural the limit of knowledge in a particular field

    the frontiers of physics have been pushed back

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Other Word Forms

  • ڰDz·پl adjective
  • ڰDz·پl adjective
  • i·ڰDz·پ noun
  • ٰԲЭDz·پ adjective
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Word 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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Word 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

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Example Sentences

Examples have not been reviewed.

They are the new frontier of America, a strange return to some recognizable normalcy after years of being inundated with nothing but Kardashian clout-chasing.

From

Gone were lands centered around a broader concept — the frontier, adventure — and in their place were fully immersive environments based on a single IP — intellectual property, in industry speak.

From

Florida, on the south-eastern frontier, bore the brunt of the force.

From

Both the Eagles and Ward-Hibbert have a raft of domestic winners' medals, but winning a European trophy is a new frontier, and they are determined to add to their legacy.

From

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

From

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