noun🔗ShareFrontièresThe part of a country which borders or faces another country or unsettled region""The soldiers guarded the country's frontiers against any possible invasion from neighboring nations." "Les soldats gardaient les frontières du pays contre toute invasion possible des nations voisines.geographynationareapoliticsstateChat with AIVocabulary GamePractice Reading
noun🔗ShareFrontières, avant-gardeThe most advanced or recent version of something; leading edge."the frontier of civilization"la frontière de la civilisationtechnologyscienceachievementChat with AIVocabulary GamePractice Reading
noun🔗ShareAvant-poste, ouvrage avancéAn outwork of a fortification."The soldiers patrolled the frontiers of the castle's outer wall, watching for enemy movements. "Les soldats patrouillaient les avant-postes du mur extérieur du château, surveillant les mouvements ennemis.militaryarchitecturewarChat with AIVocabulary GamePractice Reading
