vital vs critical

vital and critical both are adjectives.

Word	Noun	Adjective	Verb	Adverb
vital	No	Yes	No	No
critical	No	Yes	No	No

As adjectives, vital and critical are synonyms defined as:

vital (adjective)	critical (adjective)
manifesting or characteristic of life	marked by a tendency to find and call attention to errors and flaws
full of spirit; full of life	characterized by careful evaluation and judgment
performing an essential function in the living body	being in or verging on a state of crisis or emergency
urgently needed; absolutely necessary	at or of a point at which a property or phenomenon suffers an abrupt change especially having enough mass to sustain a chain reaction
	of or involving or characteristic of critics or criticism
	forming or having the nature of a turning point or crisis
	urgently needed; absolutely necessary