borderland
[noun]
Synonyms: frontier, border, march, marchland

[TahlilGaran] English Synonym Dictionary ▲

bor‧der‧land /ˈbɔːdəlænd $ ˈbɔːrdər-/ noun [countable]

1. the land near the border between two countries

2. the borderland between two qualities is an unclear area that contains features of both of them

[TahlilGaran] Dictionary of Contemporary English ▲