critical vs vital

critical and vital both are adjectives.

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

As adjectives, critical and vital are synonyms defined as:

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