trackless

About 0.19 uses per million words.

Meaning

1. adjective Of a place: not having tracks or paths; pathless, untrodden; also, having had all tracks removed.

   a trackless desert a trackless forest

2. adjective Leaving no track or trace when moving; also, not following any track or path.
3. adjective Of a train, tram, etc.: not running on tracks.

   a trackless trolley

Similar words

pathless roadless untrod untrodden untracked unaccessible inaccessible unpathed untrotted untramped

Often followed by

wilderness forests forest waste desert ocean wastes and sea deserts