critical vs serious

critical and serious both are adjectives.

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

critical (adjective)	serious (adjective)
marked by a tendency to find and call attention to errors and flaws	concerned with work or important matters rather than play or trivialities
characterized by careful evaluation and judgment	completely lacking in playfulness
being in or verging on a state of crisis or emergency	causing fear or anxiety by threatening great harm
at or of a point at which a property or phenomenon suffers an abrupt change especially having enough mass to sustain a chain reaction	requiring effort or concentration; complex and not easy to answer or solve
of or involving or characteristic of critics or criticism	of great consequence
forming or having the nature of a turning point or crisis	appealing to the mind
urgently needed; absolutely necessary