a matter of life and death
a
ˈə
ē
ma
tter
tər
tēr
of
əv
ēv
life
laɪf
laif
and
ənd
ēnd
death
dɛθ
deth

Definition & Meaning of "a matter of life and death"in English

a matter of life and death
01

a situation that is not to be ignored or understimated 

Idiom
Informal

What is the origin of the idiom "a matter of life and death" and when to use it?

The idiom "a matter of life and death" is used to emphasize the extreme seriousness and significance of a situation, decision, or action, where the outcome could determine whether someone lives or dies. This expression does not have a specific historical origin but is rooted in the fundamental importance of life and survival.

Examples
The doctor stressed that taking the prescribed medication was a matter of life and death for the patient. 
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