Definition of "trackless"

Solitude in trackless deserts, / Where locusts, ants, and lizards poorly thrive,

1836, Joanna Baillie, The Bride, Act 1, Dramas 3, page 296

"You got two feet, Sethe, not four," he said, and right then a forest sprang up between them; trackless and quiet.

1987, Toni Morrison, Beloved

It had probably at one point been meant for servants to use to go unobtrusively back and forth, but hadn't been used in years; the floor was dusty and trackless.

2015, Ann Leckie, Ancillary Mercy

What was it that I loved so well about my childhood's home? / It was the wide and wave-lashed shore, the black rocks crowned with foam! / It was the sea-gull's flapping wing, all trackless in its flight, / Its screaming note, that welcomed on the fierce and stormy night!

1838, Eliza Cook, The Waters

The two structures remain in a remarkable state of preservation, despite finding themselves adrift and trackless in the County Down countryside, after the closure of the station and the line in the 1950s.

2021 November 3, Dr Joseph Brennan, “Boxes with functions across the centuries”, in RAIL, number 943, page 59