TRACKLESS

pathless, roadless, trackless, untracked, untrod, untrodden

(adjective) lacking pathways; “trackless wilderness”; “roadless areas”

trackless

(adjective) having no tracks; “a trackless trolley”; “the trackless snowy meadow”

Source: WordNet® 3.1

Etymology

Adjective

trackless (comparative more trackless, superlative most trackless)

Not having tracks or paths; untrodden.

Not following a track.

(of a train etc.) Not running on tracks.

Source: Wiktionary

Track"less, a.

Definition: Having no track; marked by no footsteps; untrodden; as, a trackless desert. To climb the trackless mountain all unseen. Byron.

– Track"less*ly, adv.-Track"less*ness, n.

Source: Webster’s Unabridged Dictionary 1913 Edition