left for dead

Verb

leave for dead (third-person singular simple present leaves for dead, present participle leaving for dead, simple past and past participle left for dead)

1. (transitive) To abandon a person or other living creature that is injured or otherwise incapacitated, assuming that the death of the one abandoned will soon follow.
   • He stood in the middle of a narrow part of the road, stopped the horse, and struck Fyot with a heavy cudgel, leaving him for dead in the ditch.1835, Anne Laura Thorold, Letters from Brussels, in the summer of 1835
2. (broadly, figuratively, transitive) To disregard or bypass as unimportant.
   • However, the hosts hit back and hit back hard, first replacement hooker Andrew Hore sliding over, then Williams careering out of his own half and leaving several defenders for dead before flipping the ball to Nonu to finish off a scintillating move.2011 September 16, Ben Dirs, “Rugby World Cup 2011: New Zealand 83-7 Japan”, in BBC Sport