Definition of mission-critical in English:


Line breaks: mission-critical


  • (Of hardware or software) vital to the functioning of an organization.
    More example sentences
    • This is an important consideration if you are thinking about buying mission-critical software from outside your country.
    • Long after the marketing campaign is done, we will still be fanatical about providing the most secure mission-critical software in the business.
    • Less than half of the companies surveyed have formal procedures in place for backing up mission-critical data hosted on laptop computers.

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Pronunciation: ˈmeɪlstrəm
a powerful whirlpool in the sea