trainless

train +‎ -less

trainless (not comparable)

1. Without a train (in various senses).
   • 1867, The Popular science review, Volume 6 (page 82)

     At the radiant point itself, it was a subject of general remark, the meteors appeared trainless, and shone out for a moment like so many stars...

   • 1982, The Economist, Volume 284 (page 43)

     Mr Ray Buckton, the Aslef boss, is as miserable as most trainless commuters, though most of the public sees him as the villain.

   • 2007, Gioia Diliberto, The collection, page 253:

     The silk and satin dresses—all sleeveless, trainless, and above the ankle—spun out a lightness, a feeling of romance and hope.

• snarliest, sternalis