Word.ws English Dictionary

mission-critical

mission-critical adjective: of a process or part within a larger system, vital to the operations of the system as a whole.

Adjective

mission-critical (comparative more mission-critical, superlative most mission-critical)

  1. Of a process or part within a larger system, vital to the operations of the system as a whole.
    • The LCACs role makes good communications a mission-critical feature.1996, Tom Clancy, Marine: A Guided Tour of a Marine Expeditionary Unit, page 189
    • Let me remind you here that a less-than-sixty-second, fun-to-use general-reference filing system within arm's reach of where you sit is a mission-critical component of full implementation of this methodology.2002, David Allen, Getting Things Done: The Art of Stress-Free Productivity, page 128

Forms of mission-critical

comparativemore mission-critical
superlativemost mission-critical

Questions about mission-critical

What does mission-critical mean?
Mission-critical means of a process or part within a larger system, vital to the operations of the system as a whole.
What part of speech is mission-critical?
Mission-critical is an adjective.

Words near mission-critical in the dictionary

  1. mission station
  2. mission stations
  3. mission stiff
  4. mission stiffs
  5. Mission Viejo
  6. mission-critical
  7. missional
  8. missionality
  9. missionally
  10. missionar
  11. missionaress

Source and license

Adapted from Wiktionary: mission-critical (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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