a rural region that forms the edge of the settled or developed part of a countrymissionaries to the nation's rugged outlands
missionaries to the nation's rugged outlands
backcountry, backland(s), backwater, backwoods, bush, frontier, hinterland, outback, up-country
boonies(slang), boondocks, country, countryside, sticks
(the) back of beyond
英语同义词词典收录了63618条英语词条，基本涵盖了全部常用同义词或反义词的辨析及翻译，是英语学习的有利工具。