frontier

A noun referring to a boundary or border between two regions, or the edge of a settled or explored area, often associated with expansion or discovery.

ruСуществительное, обозначающее границу или рубеж между двумя регионами, или край освоенной или исследованной территории, часто связанное с экспансией или открытиями.esSustantivo que designa la frontera o límite entre dos regiones, o el borde de un territorio explorado o colonizado, a menudo asociado con la expansión o los descubrimientos.frSubstantif désignant la limite ou la frontière entre deux régions, ou le bord d'un territoire exploré ou colonisé, souvent associé à l'expansion ou aux découvertes.deSubstantiv, das die Grenze oder Grenzlinie zwischen zwei Gebieten bezeichnet oder den Rand eines erschlossenen oder erforschten Territoriums, oft im Zusammenhang mit Expansion oder Entdeckungen.ptSubstantivo que designa a fronteira ou limite entre duas regiões, ou a borda de uma área habitada ou explorada, frequentemente associada à expansão ou à exploração. Em português, esse sentido pode se referir tanto a limites políticos quanto ao avanço para territórios desconhecidos.zh名词，指两个地区之间的边界或边陲，也指已开发或已探索区域的边缘，常与扩张或探索相关。arاسم يدل على الحدود أو الخط الفاصل بين منطقتين، أو على أقصى منطقة مأهولة أو مستكشفة، وغالبًا ما يرتبط بالتوسع والاستكشاف.

1. Border between countries B1 formal

   A line or border separating two countries, especially a remote or less developed area.

   • The soldiers guarded the frontier between the two nations.
   • They crossed the frontier into the neighboring country.
   • The frontier was heavily patrolled by border guards.

   ruГраницаesFrontera entre paísesfrFrontière entre paysdeGrenzeptFronteirazh边境arحدود

   المرادفات: borderborderlineboundarydividing linepartition

2. Unexplored area B2 formal

   The extreme limit of settled land or knowledge beyond which lies the unknown.

   • Space exploration represents the final frontier for humanity.
   • Scientists are pushing back the frontiers of medical research.
   • The American frontier was a place of adventure and opportunity.

   ruГраница неизведанногоesfrontera inexploradafrfrontière de l'inconnudeGrenze des UnbekanntenptFronteira do desconhecidozh未开发的前沿arالحدود القصوى للمعرفة

   المرادفات: backwoodsborderboundaryedgefringelimitperipheryunknownvergewilderness

3. Leading edge of development B2 formal

   The most advanced or recent stage of development in a particular field.

   • This technology is at the frontier of artificial intelligence.
   • The company is working on the frontier of renewable energy.
   • They are exploring new frontiers in quantum computing.

   ruПередний крайesfrontera del conocimientofrFrontière de la connaissancedeVorreiterptFronteirazh前沿arالطليعة

   المرادفات: cutting edgeforefrontleading edgevanguard

• frontiers plural form
• frontiers' possessive plural form
• frontier's possessive singular form