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Definition of critical

critical

/ˈkrɪt.ɪ.kəl/
crit · i · cal

Adverb:critically
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critical Lexical Profile

critical Game Scores & Validity

• adjective

1

Having a decisive or vital importance in the success, failure, or existence of something.

Example

"Clear communication is critical to the success of any collaborative engineering project."


2

Expressing adverse or disapproving comments or judgments.

Example

"The auditor's report was highly critical of the company's outdated accounting practices."


3

Involving the objective analysis and evaluation of an issue, text, or work of art in order to form a sound judgment.

Example

"University seminars are designed to foster critical thinking and independent research skills."


4

Relating to a point of crisis or grave danger, especially regarding a patient's life-threatening medical condition.

Example

"The patient remained in critical condition in the intensive care unit following the surgery."


5

Designating the exact point at which a physical property abruptly changes or a nuclear chain reaction becomes self-sustaining.

Example

"When the core reaches critical mass, the nuclear fission reaction becomes self-sustaining."

Synonyms
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Antonyms
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• Rhymes for critical

Word Origin & Etymology

Borrowed in the mid-16th century from Late Latin criticus, from Ancient Greek kritikos ('able to discern or judge'), ultimately derived from krinein ('to separate, decide, or judge'). It originally entered English as a medical term describing the decisive turning point of an illness.

Cite this Entry


Wordmom. (2026). Definition of Critical. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/critical
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