DNF - meaning and definition. What is DNF
Diclib.com
Online Dictionary

What (who) is DNF - definition

WIKIMEDIA DISAMBIGUATION PAGE
Dnf; DNF (disambiguation)

DNF         
DNF         
Does Not Finish or Did Not Finish. Used whenever several people are trying to do the same job at the same time and everyone else finishes ahead of one person.
We were all trying to cook omelets and Bill DNFed.
Did not finish         
A PARTICIPANT WHO DOES NOT FINISH A RACE
DNF (racing); Did Not Finish
In racing, did not finish (DNF) denotes a result of a participant who does not finish a given race, either because of a mechanical failure,. injury, or involvement in an accident.

Wikipedia

DNF

DNF may refer to:

Examples of use of DNF
1. December 2003 Third Test v Sri Lanka 1st innings: dismissals 0, runs 17no 2nd innings: DNF, runs 0 Read was undefeated on 17, contributed little in the field and then made a duck as Sri Lanka triumphed by an innings and 215 runs in Colombo.