形容詞 roadless:

1. lacking pathways
   同義詞：pathless, trackless, untracked, untrod, untrodden

road.less

adj.（形容詞）
Not containing or crossed by any roads:
無路的或無路可通的：
例句：
roadless wilderness.
無路可走的荒原

Forbidden by law to contain or be crossed by any roads or to be entered by any vehicles:
法律禁止筑路或禁止任何車輛進入的：
例句：
tracts of land designated by the government as roadless areas.
被政府指定作為非筑路區(qū)域的廣袤的土地