trackless

Pronunciation: /ˈtrækləs/

The English word “trackless” has 3 meanings listed here.

adjective

Of a place: not having tracks or paths; pathless, untrodden; also, having had all tracks removed.
Leaving no track or trace when moving; also, not following any track or path.
Of a train, tram, etc.: not running on tracks.

From track (noun) + -less (suffix meaning ‘lacking or without something’).

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Definitions are from Wiktionary, extracted by Kaikki.org, and are available under the CC BY-SA 4.0 licence.