important vs epoch-making

important and epoch-making both are adjectives.

Word	Noun	Adjective	Verb	Adverb
important	No	Yes	No	No
epoch-making	No	Yes	No	No

important (adjective)	epoch-making (adjective)
of great significance or value	highly significant or important especially bringing about or marking the beginning of a new development or era
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