frontiers
From WikiWord, the free dictionary
English
Definitions
noun
- The part of a country which borders or faces another country or unsettled region
- The most advanced or recent version of something; leading edge.“the frontier of civilization”
- An outwork of a fortification.
Related words
Synonyms
bordermarchesruralbarriersboardersborderlandsborderlinesbordersboundariesboundaryboundsconfinesditchesfringesgrenzenhorizonslimitations