death march

Noun

Meaning

A forced movement of people, on foot, in such circumstances that many die during the journey.
the Bataan Death March

(project management) A project that requires a stretch of unsustainable overwork, or whose participants feel it is destined to fail.

Synonym of dead march (“mournful music for a funeral etc.”)

Source: en.wiktionary.org

The Wedding March has a bit of a death march in it. Brian May

An ethic gone wrong is an essential preliminary to the sweat shop or the concentration camp and the death march. Simon Blackburn

I was so exhausted after fighting for the project for five years, shooting it was like the Bataan Death March. Tom Berenger

Any business today that embraces the status quo as an operating principle is going to be on a death march. Howard Schultz

They're crazy.” "No, Meade. One such is crazy; a lot of them is a lemming death march. Robert A. Heinlein

On higher difficulties, especially in Death March, the Crones can even end up making the players turn down the sliders. Source: Internet