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See more synonyms for life-or-death on Thesaurus.com
  1. life-and-death.
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Origin of life-or-death

First recorded in 1680–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for life-or-death

necessary, key, integral, needed, fundamental, indispensable, crucial, urgent, important, imperative, critical, significant, basic, decisive, meaningful, cardinal, heavy, name, nitty-gritty, prerequisite

Examples from the Web for life-or-death

Contemporary Examples of life-or-death

Historical Examples of life-or-death

  • It was a punishment that satisfied both sides of the life-or-death argument.

    The Penal Cluster

    Ivar Jorgensen (AKA Randall Garrett)

  • Brigham struck out as if he comprehended that this was a life-or-death matter.

    An Autobiography of Buffalo Bill (Colonel W. F. Cody)

    Buffalo Bill (William Frederick Cody)

  • In a life-or-death matter such as now confronts us regarding the wild life of our country, it is time to speak plainly.

    Our Vanishing Wild Life

    William T. Hornaday

  • It was a life-or-death struggle with the elements--English courage and brawn pitted against the combined action of wind and sea.

  • Kenniston, unable to turn from the life-or-death business of threading the swarm, heard the Jovian fighting furiously.