definitions
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critical

[ krit-i-kuhl ]
/ ˈkrɪt ɪ kəl /
||
SEE MORE SYNONYMS FOR critical ON THESAURUS.COM

adjective

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Nearby words

crit., criteria, criterion, crithidia, critic, critical, critical angle, critical apparatus, critical care unit, critical constant, critical constants

Origin of critical

First recorded in 1580–90; critic + -al1
SYNONYMS FOR critical
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for critical

British Dictionary definitions for critical

critical

/ (ˈkrɪtɪkəl) /

adjective

Derived Formscritically, adverbcriticalness, noun
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

Word Origin and History for critical

critical


adj.

1580s, "censorious," from critic + -al (1). Meaning "pertaining to criticism" is from 1741; medical sense is from c.1600; meaning "of the nature of a crisis" is from 1640s; that of "crucial" is from 1841, from the "decisive" sense in Latin criticus. Related: Criticality (1756; in the nuclear sense, 1950); critically (1650s, "accurately;" 1815, "in a critical situation"). In nuclear science, critical mass is attested from 1940.

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for critical

critical

[ krĭtĭ-kəl ]

adj.

Of or relating to a medical crisis.
Being or relating to a grave physical condition especially of a patient.
Of or relating to the value of a measurement, such as temperature, at which an abrupt change in a chemical of physical quality, property, or state occurs.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.