trackless

[trak-lis]

adjective

1. without a track, as a snow-covered meadow.

2. not making or leaving a track.

   The rain rendered the route trackless.

3. not on tracks.

   a trackless vehicle.

trackless

/ ˈtræklɪs /

adjective

1. having or leaving no trace or trail

   a trackless jungle

2. (of a vehicle) using or having no tracks

Other Word Forms

• tracklessly adverb
• tracklessness noun

Word History and Origins

Origin of trackless¹

First recorded in 1650–60; track + -less

Example Sentences

Yet in 1941, the city’s last “antiquated” orange streetcar had been replaced with diesel buses and electric trackless trolleys.

From Seattle Times

Later on, I marveled at a fleet of Teslas moving on trackless platforms across the floor, almost beckoning me to get inside them like a ride at Disney World.

From The Verge

The Challenge of Mondor, an interactive dark ride, debuted in 2006, introducing a trackless vehicle system — a technology not often used at that time that is now more commonplace in the industry.

From Seattle Times

So, it’s no wonder that the idea of a trackless universe devoid of intelligent life fills us with the dread of cosmic solitary confinement.

From Washington Post

Robotics, digital trickery, trackless rides — modern theme parks are full of technological innovations.

From Los Angeles Times

Related Words

• impenetrable 
• insurmountable