DNF adj. 1. did not finish, in course-based sporting events, such as boating, auto-racing, and horse-racing. 2. did not find, in geocaching. (source: Double-Tongued Dictionary)
d.n.f
adj.— «[boat-racing scores:] D.G. Millar, d.n.f.» —“Race Week Starts at Larchmont Y.C.” by James Robbins New York Times July 29, 1943. (source: Double-Tongued Dictionary)
DNF adj.— «The worst finish has been dropped in computing the standing in classes that have completed five or more races): dns–did not start; pms–premature start; dnc–did not compete; dnf did not finish.» —“Winds...
DNF adj.— «There is—or was—a cache there called “Valley View Too” which hadn’t been found since last May, though with only one “Did Not Find” logged since then. (Curiously, the caching slang for a failed search...