critical vs indispensable

critical and indispensable both are adjectives.

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

critical (adjective)	indispensable (adjective)
marked by a tendency to find and call attention to errors and flaws	not to be dispensed with; essential
characterized by careful evaluation and judgment	absolutely necessary; vitally necessary
being in or verging on a state of crisis or emergency	unavoidable
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