off-trail

adj — 2 senses

adj

Hobbies, Lifestyle, Skiing, Sports Synonym of off-piste (“not prepared or designated for skiing”).

Figuratively Synonym of off-piste (“unconventional”).

The off-trail novel has a slim chance here, and fantasy will be limited chiefly to science fiction.1953, The Writer, volumes 66-67, page 30:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.