adjective
General Slang
mission critical
MISH-un KRIT-ik-ul · adjective · informal
Absolutely essential to success.
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Definitions
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Describing a task or system whose failure would jeopardise the whole effort.
“The payment system is mission critical, it can't go down.”
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mission critical In A Sentence
The payment system is mission critical, it can't go down.
Origin & Usage
From NASA/aerospace mission terminology.
Variants
mission-critical
People Also Ask
What does 'mission critical' mean?
It describes a system or task so essential that its failure would jeopardise the entire operation or project.
How is it used?
As an adjective, e.g. 'The database is mission-critical infrastructure.'
Where does it come from?
It originated in NASA and aerospace mission terminology and spread into business use.
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