| 1. | (adjective) marked by a tendency to find and call attention to errors and flaws; "a critical attitude" | 
	
	
	
	
	 |  | Antonyms: uncritical | 
	
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         | 2. | (adjective) characterized by careful evaluation and judgment; "a critical reading"; "a critical dissertation"; "a critical analysis of Melville's writings | 
	
	
	
	
	 |  | Antonyms: uncritical | 
	
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         | 3. | (adjective) being in or verging on a state of crisis or emergency; "a critical shortage of food"; "a critical illness"; "an illness at the critical stage" | 
	
	
	
	
	 |  | Antonyms: noncritical | 
	
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         | 4. | (adjective) (chemistry and physics) at or of a point at which a property or phenomenon suffers an abrupt change especially having enough mass to sustain a chain reaction; "a critical temperature of water is 100 degrees C--its boiling point at standard atmospheric pressure"; "critical mass"; "go critical" | 
	
	
	
	
	 |  | Antonyms: noncritical | 
	
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         | 5. | (satellite adjective) forming or having the nature of a turning point or crisis; "a critical point in the campaign"; "the critical test" | 
	
	
	 |  | Synonyms: decisive | 
        
	
	
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         | 6. | (satellite adjective) urgently needed; absolutely necessary; "a critical element of the plan"; "critical medical supplies"; "vital for a healthy society"; "foods indispensable to good nutrition" | 
	
	
	 |  | Synonyms: vital | 
        
	
	
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         | 7. | (adjective) of or involving or characteristic of critics or criticism; "critical acclaim" | 
	
	
	
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