life-or-death

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English[edit]

Alternative forms[edit]

Adjective[edit]

life-or-death (not comparable)

  1. Of critical importance to the survival of a living organism.
    Good camoflouge is life-of-death for many animals in the wild.
  2. Having death as a possible or even likely outcome; perilous.
    Ascending Mount Everest can be life-or-death for an inexperienced climber.
  3. (idiomatic) Of critical importance to the success of a particular endeavor.
    Obtaining financing was a life-or-death matter for the research.