critical vs important

critical and important both are adjectives.

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

critical (adjective)	important (adjective)
marked by a tendency to find and call attention to errors and flaws	of great significance or value
characterized by careful evaluation and judgment	of extreme importance; vital to the resolution of a crisis
being in or verging on a state of crisis or emergency	important in effect or meaning
at or of a point at which a property or phenomenon suffers an abrupt change especially having enough mass to sustain a chain reaction	having or suggesting a consciousness of high position
of or involving or characteristic of critics or criticism	having authority or ascendancy or influence
forming or having the nature of a turning point or crisis
urgently needed; absolutely necessary