on pain of death

on pain of death

With the threat of dying or being executed as a punishment. Sometimes used hyperbolically. The prisoners were forced to march on pain of death from the POW camp across the burning desert. I am on strict instructions from my wife not to peek into the garage until she's done her surprise project, on pain of death!
See also: death, of, on, pain
Farlex Dictionary of Idioms.
See also:
  • be a fate worse than death
  • (one's) head on a plate/platter
  • get out with (one's) life
  • get out with life
  • a labour of Hercules
  • everyone and their brother
  • as far as the eye can see
  • as far as the eye can/could see
  • a reign of terror
  • frightened to death