untracked

English

Etymology

un- +‎ tracked

Adjective

untracked (comparative more untracked, superlative most untracked)

1. Not tracked.
2. (of a vehicle) Without tracks.
   • 1954, The Chartered Mechanical Engineer, page 62:

     What could be more silent and efficient for carrying an untracked vehicle than the pneumatically-tyred wheel?

3. (of a ski slope) Covered by freshly fallen, undisturbed snow.