资料来源 : Webster's Revised Unabridged Dictionary (1913)

Roadless \Road"less\, a.
   Destitute of roads.

资料来源 : WordNet®

roadless
     adj : lacking pathways; "trackless wilderness"; "roadless areas"
           [syn: {pathless}, {trackless}, {untracked}, {untrod}, {untrodden}]