important vs eventful

important and eventful both are adjectives.

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

important (adjective)	eventful (adjective)
of great significance or value	full of events or incidents
of extreme importance; vital to the resolution of a crisis	having important issues or results
important in effect or meaning
having or suggesting a consciousness of high position
having authority or ascendancy or influence