in-chief vs important

in-chief and important both are adjectives.

Word	Noun	Adjective	Verb	Adverb
in-chief	No	Yes	No	No
important	No	Yes	No	No

in-chief (adjective)	important (adjective)
indicating the head of a staff	of great significance or value
	of extreme importance; vital to the resolution of a crisis
	important in effect or meaning
	having or suggesting a consciousness of high position
	having authority or ascendancy or influence