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Synonyms

critical

American  
[krit-i-kuhl] / ˈkrɪt ɪ kəl /

adjective

  1. inclined to find fault or to judge with severity, often too readily.

    Parents who are too critical make their children anxious.

    Synonyms:
    carping , censorious , captious , faultfinding
  2. involving criticism, or skillful judgment as to truth, merit, etc..

    The article provides a critical analysis of the Gulf War.

    Synonyms:
    precise , exact , judicious , discriminating
  3. occupied with or skilled in criticism.

    She was one of the great critical journalists of the 20th century.

  4. of or relating to critics or criticism, especially of literature, film, music, etc..

    Critical appreciation of this author’s work has peaked in recent years.

  5. providing textual variants, proposed emendations, etc..

    The library has a new critical edition of Chaucer.

  6. of the nature of a crisis; threatening a seriously bad outcome; grave.

    There was a critical shortage of food.

  7. of decisive importance with respect to the outcome; crucial.

    The nation is facing a critical moment in its history.

  8. essential; indispensable.

    Cocoa butter is a critical ingredient in chocolate.

  9. Medicine/Medical.  having unstable and abnormal vital signs and other unfavorable indicators, as loss of appetite, poor mobility, or unconsciousness.

    The patient has been upgraded from critical to stable.

  10. Physics.

    1. pertaining to a state, value, or quantity at which one or more properties of a substance or system undergo a change.

      The critical temperature of benzene is 289° C.

    2. (of fissionable material) having enough mass to sustain a chain reaction.

      They told us about a lab where some plutonium went critical.


critical British  
/ ˈkrɪtɪkəl /

adjective

  1. containing or making severe or negative judgments

  2. containing careful or analytical evaluations

    a critical dissertation

  3. of or involving a critic or criticism

  4. of or forming a crisis; crucial; decisive

    a critical operation

  5. urgently needed

    critical medical supplies

  6. informal  so seriously injured or ill as to be in danger of dying

  7. physics of, denoting, or concerned with a state in which the properties of a system undergo an abrupt change

    a critical temperature

  8. (of a nuclear power station or reactor) to reach a state in which a nuclear-fission chain reaction becomes self-sustaining

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • anticritical adjective
  • criticality noun
  • critically adverb
  • criticalness noun
  • noncritical adjective
  • pseudocritical adjective

Etymology

Origin of critical

First recorded in 1580–90; critic + -al 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“It is a critical part of our industry,” he said.

From The Wall Street Journal

As competition intensifies to create the first reliable, large-scale commercial quantum computer, a critical issue has become harder to ignore.

From Science Daily

The Toulouse, France-based company had warned that intense solar radiation may corrupt data critical to the functioning of flight controls.

From MarketWatch

The Toulouse, France-based company had warned that intense solar radiation may corrupt data critical to the functioning of flight controls.

From MarketWatch

That uptick has arrived as Young approaches a critical juncture in his young career.

From The Wall Street Journal